US3069583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp
Assignee: GTE Sylvania Inc
•
Filing: 1959-10-30
•
Granted: 1962-12-18
•
Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Swasey
- 👤 Roland L Bienvenue
- 👤 Dwight J Dwinell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
H; H01; H01K; H01K3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258747A
Cited
US501531A
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US1647999A
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US2145911A
Cited
US2164288A
Cited
US2327031A
Cited
US2361469A
Cited
US2443528A
Cited
US2491252A
Cited
US2914371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |