US2963611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent lamp
Assignee: Westinghouse Electric Corp
•
Filing: 1956-01-20
•
Granted: 1960-12-06
•
Expires: 1976-01-20
Abstract
No abstract record available.
Inventors
- 👤 Meister George
- 👤 William J Monahan
- 👤 Leo C Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:17
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/32; H01K3/00; H01K3/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1552128A
Cited
US1830165A
Cited
US2545896A
Cited
US2626874A
Cited
GB737861A
Cited
GB737862A
Cited
US2661438A
Cited
GB765405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |