US3190983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion spring actuated snap-action circuit breaker with free release latch
Assignee: Individual
•
Filing: 1963-04-12
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Granted: 1965-06-22
•
Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Kesl Karel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:12
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H3/00; H01H3/22; H01H3/30; H01H3/3042; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/20; Y10T74/20576; Y10T74/20882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A CIRCUIT BREAKER: A SHEATH HAVING AN AXIS OF REVOLUTION AND MOVABLE CONTACT MEMBERS MOUNTED IN FIXED RELATIONSHIP WITH RESPECT TO SAID SHEATH FOR ROTATION ABOUT THE SAID AXIS; MEANS FOR ROTATIVELY SUPPORTING SAID SHEATH; AT LEAST ONE TORSION BLADE EXTENDING ALONG SAID AXIS AND SECURED IN FIXED RELATIONSHIP WITH RESPECT TO SAID SUPPORTING MEANS AND TO SAID SHEATH; AND FREE RELEASE LOCKING MEANS COAXIALLY MOUNTED ON SAID SHEATH.
Claim 2
Dependent Claim
70 words
IN A CIRCUIT BREAKER: A SHEATH HAVING AN AXIS OF REVOLUTION AND MOVABLE CONTACT MEMBERS MOUNTED IN FIXED RELATIONSHIP WITH RESPECT TO SAID SHEATH FOR ROTATION ABOUT THE SAID AXIS; MEANS FOR ROTATIVELY SUPPORTING SAID SHEATH; AT LEAST ONE TORSION BLADE EXTENDING ALONG SAID AXIS AND SECURED IN FIXED RELATIONSHIP WITH RESPECT TO SAID SUPPORTING MEANS AND TO SAID SHEATH; AND FREE RELEASE LOCKING MEANS COAXIALLY MOUNTED ON SAID SHEATH.
References Cited (Backward Citations)
US2523370A
Cited
US2638003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |