US3315213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension cord connector
Assignee: Individual
•
Filing: 1964-06-26
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Granted: 1967-04-18
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Fischer
- 👤 Adolph R Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:50
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/621; H01R13/6215; H01R13/58; H01R13/595
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
328 words
AN EXTENSION CORD DEVICE COMPRISING: AN ELONGATED CASING OF DIELECTRIC MATERIAL, SAID CASING HAVING UPPER AND LOWER CASING MEMBERS; THE TWO MEMBERS BEING SECURED TOGETHER IN ABUTTING RELATIONSHIP, SAID TWO MEMBERS, WHEN ASSEMBLED TOGETHER, PROVIDING AN ELONGATED OPENING THERETHROUGH, WITH EACH MEMBER HAVING A WALL WITH A RECESS THEREIN; FIRST AND SECOND RESILIENT ELECTRICALLY CONDUCTIVE CONTACTORS, EACH HAVING A PORTION RECEIVED IN ONE OF SAID RECESSES, AND EACH HAVING A PORTION AT THE SURFACE OF THE WALL IN WHICH ITS RECEIVING RECESS IS PROVIDED; A PAIR OF WIRES OF A FIRST EXTENSION CORD, SAID WIRES BEING FASTENED TO SAID CONTACTORS IN SAID RECESSES; AN ELONGATED CORE OF DIELECTRIC MATERIAL, SAID CORE BEING FITTINGLY RECEIVED IN SAID OPENING IN SAID CASING, AND SAID CORE HAVING WALLS DISPOSED WITH RESPECT TO THE WALLS OF SAID CASING IN A MANNER PREVENTING ROTATION OF SAID CORE IN SAID CASING, SAID CORE HAVING UPPER AND LOWER FRONT RECESSES IN THE FRONT END THEREOF AND UPPER AND LOWER OPENINGS EXTENDING FROM SAID UPPER AND LOWER FRONT RECESSES, RESPECTIVELY TO REAR RECESSES IN THE REAR END OF SAID CORE; AND UPPER AND LOWER SPRING CONNECTOR STRIPS, SAID UPPER STRIP HAVING A FORWARD END DISPOSED IN THE UPPER RECESS IN THE FORWARD END OF SAID CORE AND RESILIENTLY BIASED AGAINST THE FIRST CONTACTOR IN SAID CASING, AND SAID LOWER CONNECTOR STRIP HAVING A FORWARD END DISPOSED IN THE LOWER RECESS IN THE FRONT END OF SAID CORE AND RESILIENTLY BIASED AGAINST SAID SECOND CONTACTOR, THE REAR END OF EACH OF SAID CONTACT STRIPS IN SAID CORE BEING DISPOSED IN THE REAR RECESSES OF SAID CORE; A PAIR OF WIRES OF A SECOND EXTENSION CORD, SAID WIRES BEING FASTENED TO THE REAR ENDS OF SAID CONNECTOR STRIPS; A MANUALLY RELEASABLE FASTENER EXTENDING THROUGH SAID CASING AND INTO SAID CORE AND PREVENTING REMOVAL OF SAID CORE FROM SAID CASING, WHEREBY AN INTACT AND TENSILE LOAD WITHSTANDING ELECTRICAL CONNECTION IS MADE BETWEEN THE SAID FIRST AND SECOND EXTENSION CORDS.
References Cited (Backward Citations)
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Cited
US2039996A
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Cited
US2336732A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |