US2843445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Getter flashing device
Assignee: GTE Sylvania Inc
•
Filing: 1956-01-04
•
Granted: 1958-07-15
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Gene A Coltrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:48
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626679A
Cited
US1028636A
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US1461155A
Cited
US1596733A
Cited
US1894948A
Cited
US2006771A
Cited
US2673784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |