Patent US3223958A successfully refreshed from Google Patents.
US3223958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp for extension cords
Assignee: Individual
•
Filing: 1962-08-08
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Granted: 1965-12-14
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Robert F Prohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:11
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/639; H01R13/6392; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A CLAMP, COMPRISING: AN ELONGATED FRAME HAVING A CLAMPING SURFACE THEREON NEAR ONE END THEREOF; A RERESILIENT ARM PIVOTED AT ONE END THEREOF TO SAID ONE END OF SAID FRAME AND HAVING A PORTION EXTENDING ALONG ONE LONGITUDINAL SIDE OF SAID FRAME AND HAVING ITS OTHER END FREE TO SWING ABOUT THE PIVOT OF SAID ARM; A CLAMPING JAW PIVOTALLY MOUNTED UPON SAID ARM AND LOCATED ON SAID ARM IN A POSITION TO CONFRONT SAID CLAMPING SURFACE ON SAID FRAME; AND MEANS CARRIED BY THE OTHER END OF SAID FRAME AND ENGAGEABLE BY THE FREE END OF SAID RESILIENT ARM UPON FLEXING OF SAID ARM TOWARD SAID FRAME ABOUT SAID CLAMPING JAW AS A FULCRUM FOR RELEASABLY RETAINING SAID ARM IN FLEXED RELATIONSHIP WITH SAID FRAME, WHEREBY SAID CLAMPING JAW IS CONTINUOUSLY URGED TOWARD SAID CLAMPING SURFACE BY THE INHERENT RESILIENT OF SAID FLEXED ARM.
Claim 2
Dependent Claim
145 words
A CLAMP, COMPRISING: AN ELONGATED FRAME HAVING A CLAMPING SURFACE THEREON NEAR ONE END THEREOF; A RERESILIENT ARM PIVOTED AT ONE END THEREOF TO SAID ONE END OF SAID FRAME AND HAVING A PORTION EXTENDING ALONG ONE LONGITUDINAL SIDE OF SAID FRAME AND HAVING ITS OTHER END FREE TO SWING ABOUT THE PIVOT OF SAID ARM; A CLAMPING JAW PIVOTALLY MOUNTED UPON SAID ARM AND LOCATED ON SAID ARM IN A POSITION TO CONFRONT SAID CLAMPING SURFACE ON SAID FRAME; AND MEANS CARRIED BY THE OTHER END OF SAID FRAME AND ENGAGEABLE BY THE FREE END OF SAID RESILIENT ARM UPON FLEXING OF SAID ARM TOWARD SAID FRAME ABOUT SAID CLAMPING JAW AS A FULCRUM FOR RELEASABLY RETAINING SAID ARM IN FLEXED RELATIONSHIP WITH SAID FRAME, WHEREBY SAID CLAMPING JAW IS CONTINUOUSLY URGED TOWARD SAID CLAMPING SURFACE BY THE INHERENT RESILIENT OF SAID FLEXED ARM.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |