US2903689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television apparatus
Assignee: GTE Sylvania Inc
•
Filing: 1956-06-06
•
Granted: 1959-09-08
•
Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 William F Scanlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/703; H01J29/003; H01J2229/00; H01J2229/0007; H01J2229/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733434A
Cited
US2513221A
Cited
US2541446A
Cited
US2568631A
Cited
US2591159A
Cited
US2816244A
Cited
US2825835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |