US2997186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp transfer mechanism
Assignee: General Electric Co
•
Filing: 1959-11-09
•
Granted: 1961-08-22
•
Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Terez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:48
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096; H01J2893/0098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US609472A
Cited
US1933225A
Cited
US2307517A
Cited
US2823809A
Cited
US2791316A
Cited
US2904192A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |