US3082691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric bridge
Assignee: Olin Corp
•
Filing: 1959-12-03
•
Granted: 1963-03-26
•
Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Richard C Evans
- 👤 Jr Franklyn E Stevens
- 👤 Raymond I Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/125; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
A BRIDGE DEVICE COMPRISING A PAIR OF SPACED ELECTRICAL CONDUCTORS MOLDED WITHIN A PLUG OF INSULATING MATERIAL, SAID INSULATING MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF PLASTIC, GLASS AND CERAMIC MATERIAL, SAID PLUG HAVING A FLAT FACE INTERSECTED BY TWO SURFACES DEFINING A V-SHAPED GROOVE IN SAID FLAT FACE, AN END FACE OF EACH CONDUCTOR TERMINATING IN SAID V-SHAPED GROOVE, A PORTION OF ACH SAID END FACE AND A PORTION OF SAID SURFACES BEING COPLANAR, SAID SURFACES AND SAID END FACES BEING COATED WITH A THIN SKIN OF MANGANESE, SAID V-SHAPED GROOVE BEING OPERATIVE TO PROTECT THE SKIN OF MANGANESE FROM SCUFFING.
References Cited (Backward Citations)
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Cited
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US2722155A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |