US3082349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament connection for electric lamps
Assignee: Westinghouse Electric Corp
•
Filing: 1960-03-18
•
Granted: 1963-03-19
•
Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 John J Zecca
- 👤 Walter J Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/62; H01K1/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A FILAMENT CONNECTION COMPRISING A WIRE FILAMENT, AND A BIMETALLIC MEMBER HAVING A FLAT CLAMP FORMED AT ONE END THAT IS CLOSED AROUND AND GRIPS SAID FILAMENT, SAID CLAMP HAVING A DEFORMATION IN AT LEAST ONE OF ITS EXTERIOR FACES THAT EXTENDS TRANSVERSELY OF THE CLAMPED-IN SECTION OF SAID FILAMENT AND LONGITUDINALLY OF SAID CLAMP AND THEREBY RIGIDIFIES SAID CLAMP AND PREVENTS IT FROM OPENING UNDER VARYING TEMPERATURE CONDITIONS, WHEREBY SAID CLAMP IS RENDERED LESS SENSITIVE TO VARIATIONS IN TEMPERATURE AND IS MAINTAINED IN MECHANICAL AND ELECTRICAL ENGAGEMENT WITH SAID FILAMENT EVEN WHEN THE LATTER IS ENERGIZED.
Claim 2
Dependent Claim
97 words
A FILAMENT CONNECTION COMPRISING A WIRE FILAMENT, AND A BIMETALLIC MEMBER HAVING A FLAT CLAMP FORMED AT ONE END THAT IS CLOSED AROUND AND GRIPS SAID FILAMENT, SAID CLAMP HAVING A DEFORMATION IN AT LEAST ONE OF ITS EXTERIOR FACES THAT EXTENDS TRANSVERSELY OF THE CLAMPED-IN SECTION OF SAID FILAMENT AND LONGITUDINALLY OF SAID CLAMP AND THEREBY RIGIDIFIES SAID CLAMP AND PREVENTS IT FROM OPENING UNDER VARYING TEMPERATURE CONDITIONS, WHEREBY SAID CLAMP IS RENDERED LESS SENSITIVE TO VARIATIONS IN TEMPERATURE AND IS MAINTAINED IN MECHANICAL AND ELECTRICAL ENGAGEMENT WITH SAID FILAMENT EVEN WHEN THE LATTER IS ENERGIZED.
References Cited (Backward Citations)
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |