Patent US3134880A successfully refreshed from Google Patents.
US3134880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking set-screw adjustable contact assembly
Assignee: General Electric Co
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Filing: 1962-07-20
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Granted: 1964-05-26
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Expires: 1982-07-20
Abstract
No abstract record available.
Inventors
- 👤 Frank H Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:08
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/22; H01H1/221; H01H1/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN ELECTRIC SWITCHING DEVICE COMPRISING: (A) A MOVABLE CONTACT ARM, (B) A CONTACT MEMBER MOVABLY CARRIED BY SAID CONTACT ARM AND INCLUDING A PORTION EXTENDING GENERALLY PARALLEL TO AND SPACED AWAY FROM SAID CONTACT ARM, (C) AN OPENING IN SAID CONTACT ARM, (D) AN ADJUSTABLE RETAINING MEMBER HAVING AN ELONGATED PORTION EXTENDING THROUGH SAID OPENING TOWARD SAID CONTACT MEMBER AND A RELATIVELY THIN FLANGE PORTION OVERLYING THE SURFACE OF SAID CONTACT ARM ADJACENT SAID OPENING, (E) A STUD MEMBER CARRIED BY SAID MOVABLE CONTACT MEMBER AND PROJECTING TOWARD SAID CONTACT ARM, (F) SAID RETAINING MEMBER AND SAID STUD MEMBER HAVING A THREADED INTER-ENGAGEMENT IN THE SPACE BETWEEN SAID CONTACT ARM AND SAID CONTACT MEMBER, AND (G) A COMPRESSION SPRING SURROUNDING SAID INTER-ENGAGING PORTIONS OF SAID MEMBERS AND URGING SAID CONTACT MEMBER AWAY FROM SAID CONTACT ARM.
Claim 2
Dependent Claim
136 words
AN ELECTRIC SWITCHING DEVICE COMPRISING: (A) A MOVABLE CONTACT ARM, (B) A CONTACT MEMBER MOVABLY CARRIED BY SAID CONTACT ARM AND INCLUDING A PORTION EXTENDING GENERALLY PARALLEL TO AND SPACED AWAY FROM SAID CONTACT ARM, (C) AN OPENING IN SAID CONTACT ARM, (D) AN ADJUSTABLE RETAINING MEMBER HAVING AN ELONGATED PORTION EXTENDING THROUGH SAID OPENING TOWARD SAID CONTACT MEMBER AND A RELATIVELY THIN FLANGE PORTION OVERLYING THE SURFACE OF SAID CONTACT ARM ADJACENT SAID OPENING, (E) A STUD MEMBER CARRIED BY SAID MOVABLE CONTACT MEMBER AND PROJECTING TOWARD SAID CONTACT ARM, (F) SAID RETAINING MEMBER AND SAID STUD MEMBER HAVING A THREADED INTER-ENGAGEMENT IN THE SPACE BETWEEN SAID CONTACT ARM AND SAID CONTACT MEMBER, AND (G) A COMPRESSION SPRING SURROUNDING SAID INTER-ENGAGING PORTIONS OF SAID MEMBERS AND URGING SAID CONTACT MEMBER AWAY FROM SAID CONTACT ARM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |