US2945327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing electric lamps or similar devices
Assignee: General Electric Co
•
Filing: 1957-05-08
•
Granted: 1960-07-19
•
Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 Robert N Malm
- 👤 Vodicka Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:06
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/20; H01K1/00; H01K1/38; Y; Y10; Y10S; Y10S53/00; Y10S53/03
Claims Analysis
Total Claims: 0
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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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |