US3510718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent lamp
Assignee: GTE Sylvania Inc
•
Filing: 1967-11-06
•
Granted: 1970-05-05
•
Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 John J Vetere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:23
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2951959A
Cited
GB963968A
Cited
US3274426A
Cited
FR1379369A
Cited
FR1380283A
Cited
US3262001A
Cited
FR1377332A
Cited
US3349277A
Cited
US3364378A
Cited
US3315216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |