US3281545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: E & P Engineering Res & Dev Co
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Filing: 1965-12-20
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Granted: 1966-10-25
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:12
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H1/00; H01H1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A TOGGLE SWITCH COMPRISING: (A) A HOUSING DEFINING AN INTERNAL CAVITY, (B) A NON-CONDUCTIVE CONTACT HOLDER CARRIED BY THE HOUSING AND DEFINING A CONCAVE CIRCULARLY CYLINDRICAL SURFACE OPENING TO THE CAVITY, (C) MEANS SUBSTANTIALLY CLOSING THE CAVITY OPPOSITE FROM SAID SURFACE AND DEFINING A HEMISPHERICAL RECESS CONCAVE TO THE CYLINDRICAL SURFACE AND AN OPENING TO THE EXTERIOR OF THE HOUSING FROM THE HEMISPHERICAL RECESS AT A LOCATION ON THE RECESS OPPOSITE FROM THE CYLINDRICAL SURFACE, THE CENTER OF CURVATURE OF THE HEMISPHERICAL RECESS ON THE AXIS OF CURVATURE OF SAID CYLINDRICAL SURFACE, (D) TWO FIXED SPACED CONDUCTIVE CONTACTS MOUNTED IN THE CONTACT HOLDER, EACH OF SAID CONTACTS HAVING A CONTACT SURFACE DISPOSED FLUSH WITH SAID CYLINDRICAL SURFACE, (E) A NON-CONDUCTIVE ARMATURE DISPOSED IN THE CAVITY ADJACENT THE CYLINDRICAL SURFACE, (F) A BALL CURVED TO MATE INTIMATELY WITH THE HEMISPHERICAL RECESS SECURED TO THE ARMATURE AND ENGAGED IN THE RECESS TO CLOSE SAID OPENING, (G) AN ARMATURE ACTUATING LEVER SECURED TO THE BALL AND EXTENDING THEREFROM THROUGH THE OPENING TO THE EX-
Claim 2
Dependent Claim
171 words
A TOGGLE SWITCH COMPRISING: (A) A HOUSING DEFINING AN INTERNAL CAVITY, (B) A NON-CONDUCTIVE CONTACT HOLDER CARRIED BY THE HOUSING AND DEFINING A CONCAVE CIRCULARLY CYLINDRICAL SURFACE OPENING TO THE CAVITY, (C) MEANS SUBSTANTIALLY CLOSING THE CAVITY OPPOSITE FROM SAID SURFACE AND DEFINING A HEMISPHERICAL RECESS CONCAVE TO THE CYLINDRICAL SURFACE AND AN OPENING TO THE EXTERIOR OF THE HOUSING FROM THE HEMISPHERICAL RECESS AT A LOCATION ON THE RECESS OPPOSITE FROM THE CYLINDRICAL SURFACE, THE CENTER OF CURVATURE OF THE HEMISPHERICAL RECESS ON THE AXIS OF CURVATURE OF SAID CYLINDRICAL SURFACE, (D) TWO FIXED SPACED CONDUCTIVE CONTACTS MOUNTED IN THE CONTACT HOLDER, EACH OF SAID CONTACTS HAVING A CONTACT SURFACE DISPOSED FLUSH WITH SAID CYLINDRICAL SURFACE, (E) A NON-CONDUCTIVE ARMATURE DISPOSED IN THE CAVITY ADJACENT THE CYLINDRICAL SURFACE, (F) A BALL CURVED TO MATE INTIMATELY WITH THE HEMISPHERICAL RECESS SECURED TO THE ARMATURE AND ENGAGED IN THE RECESS TO CLOSE SAID OPENING, (G) AN ARMATURE ACTUATING LEVER SECURED TO THE BALL AND EXTENDING THEREFROM THROUGH THE OPENING TO THE EX-
References Cited (Backward Citations)
US1402927A
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US2734969A
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US2458927A
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US2589025A
Cited
US3030459A
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US3072757A
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |