US2744592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: GTE Sylvania Inc
•
Filing: 1948-10-29
•
Granted: 1956-05-08
•
Expires: 1968-10-29
Abstract
No abstract record available.
Inventors
- 👤 Louis C Remond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:30
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08; Y; Y10; Y10S; Y10S439/00; Y10S439/92; Y10T; Y10T403/00; Y10T403/21; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089541A
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US2075477A
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US2231459A
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GB583242A
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US2584653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |