|
|
![]() |
Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
![]() |
You are viewing a USPC Schedule. |
![]() |
Class 307 | ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS |
Click here for a printable version of this file |
![]() | ![]() | 1 | SUPERIMPOSED UNLIKE CURRENTS |
![]() | ![]() | 9.1 | VEHICLE MOUNTED SYSTEMS |
![]() | ![]() | 11 | PLURAL LOAD CIRCUIT SYSTEMS |
![]() | ![]() | 12 | ![]() |
![]() | ![]() | 17 | ![]() |
![]() | ![]() | 18 | ![]() |
![]() | ![]() | 19 | ![]() |
![]() | ![]() | 23 | ![]() |
![]() | ![]() | 24 | ![]() |
![]() | ![]() | 25 | ![]() |
![]() | ![]() | 29 | ![]() |
![]() | ![]() | 30 | ![]() |
![]() | ![]() | 31 | ![]() |
![]() | ![]() | 36 | ![]() |
![]() | ![]() | 38 | ![]() |
![]() | ![]() | 42 | ![]() |
![]() | ![]() | 43 | PLURAL SUPPLY CIRCUITS OR SOURCES |
![]() | ![]() | 44 | ![]() |
![]() | ![]() | 45 | ![]() |
![]() | ![]() | 47 | ![]() |
![]() | ![]() | 48 | ![]() |
![]() | ![]() | 51 | ![]() |
![]() | ![]() | 52 | ![]() |
![]() | ![]() | 53 | ![]() |
![]() | ![]() | 60 | ![]() |
![]() | ![]() | 62 | ![]() |
![]() | ![]() | 63 | ![]() |
![]() | ![]() | 64 | ![]() |
![]() | ![]() | 69 | ![]() |
![]() | ![]() | 70 | ![]() |
![]() | ![]() | 71 | ![]() |
![]() | ![]() | 72 | ![]() |
![]() | ![]() | 77 | ![]() |
![]() | ![]() | 80 | ![]() |
![]() | ![]() | 82 | ![]() |
![]() | ![]() | 83 | ![]() |
![]() | ![]() | 84 | ![]() |
![]() | ![]() | 85 | ![]() |
![]() | ![]() | 400 | ELECTRETS |
![]() | ![]() | 401 | NONLINEAR REACTOR SYSTEMS (E.G., SATURABLE) |
![]() | ![]() | 402 | ![]() |
![]() | ![]() | 406 | ![]() |
![]() | ![]() | 407 | ![]() |
![]() | ![]() | 408 | ![]() |
![]() | ![]() | 409 | ![]() |
![]() | ![]() | 410 | ![]() |
![]() | ![]() | 411 | ![]() |
![]() | ![]() | 412 | ![]() |
![]() | ![]() | 413 | ![]() |
![]() | ![]() | 414 | ![]() |
![]() | ![]() | 415 | ![]() |
![]() | ![]() | 416 | ![]() |
![]() | ![]() | 419 | ![]() |
![]() | ![]() | 422 | ![]() |
![]() | ![]() | 424 | ![]() |
![]() | ![]() | 326 | PERSONNEL SAFETY OR LIMIT CONTROL FEATURES |
![]() | ![]() | 89 | ANTI-INDUCTION OR COUPLING TO OTHER SYSTEMS |
![]() | ![]() | 95 | ANTI-ELECTROLYSIS |
![]() | ![]() | 96 | INTERMITTENT REGULATORY INTERRUPTION OF SYSTEM |
![]() | ![]() | 98 | COMBINED IMPEDANCE AND SWITCH SYSTEMS |
![]() | ![]() | 100 | SHUNTING OR SHORT CIRCUITING SYSTEMS |
![]() | ![]() | 101 | RESIDUAL OR REMANENT MAGNETISM CONTROL |
![]() | ![]() | 102 | STABILIZED, ANTI-HUNTING OR ANTIOSCILLATION SYSTEMS |
![]() | ![]() | 103 | WITH LINE DROP COMPENSATION |
![]() | ![]() | 104 | ELECTROMAGNET OR HIGHLY INDUCTIVE SYSTEMS |
![]() | ![]() | 105 | WITH HARMONIC FILTER OR NEUTRALIZER |
![]() | ![]() | 106 | WAVE FORM OR WAVE SHAPE DETERMINATIVE OR PULSE-PRODUCING SYSTEMS |
![]() | ![]() | 109 | CAPACITOR |
![]() | ![]() | 111 | NONRESPONSIVE-TO-FREQUENCY-CHANGE SYSTEMS |
![]() | ![]() | 650 | WITH NONSWITCHING MEANS RESPONSIVE TO EXTERNAL NONELECTRICAL CONDITION |
![]() | ![]() | 651 | ![]() |
![]() | ![]() | 652 | ![]() |
![]() | ![]() | 653 | ![]() |
![]() | ![]() | 112 | SWITCHING SYSTEMS |
![]() | ![]() | 113 | ![]() |
![]() | ![]() | 116 | ![]() |
![]() | ![]() | 117 | ![]() |
![]() | ![]() | 118 | ![]() |
![]() | ![]() | 119 | ![]() |
![]() | ![]() | 125 | ![]() |
![]() | ![]() | 132R | ![]() |
![]() | ![]() | 134 | ![]() |
![]() | ![]() | 139 | ![]() |
![]() | ![]() | 145 | WITH CURRENT COLLECTION OR TRANSFER |
![]() | ![]() | 146 | UNIDIRECTIONAL CONDUCTOR SYSTEMS |
![]() | ![]() | 147 | CONDUCTOR ARRANGEMENTS OR STRUCTURE |
![]() | ![]() | 149 | MISCELLANEOUS SYSTEMS |
![]() | ![]() | 150 | ![]() |
![]() | ![]() | 151 | ![]() |
![]() | ![]() | 152 | ![]() |
![]() | ![]() | 153 | ![]() |
![]() | ![]() | 154 | ![]() |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
DIGESTS | ||
![]() | ![]() | DIG1 | DATA TRANSMITTED OVER POWER LINES |
This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.
Please send questions and comments to usptoinfo@uspto.gov .
Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information
Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
Contact Information
Or, browse
their on-line catalog.
The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website. |
|