Patent US2982927A successfully refreshed from Google Patents.
US2982927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transition device
Assignee: RCA Corp
•
Filing: 1958-01-06
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Granted: 1961-05-02
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Albert C Grimm
- 👤 Richard T Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:03
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/08; H01P5/10; H01P5/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2476732A
Cited
US2475563A
Cited
US2633493A
Cited
US2701861A
Cited
US2812500A
Cited
US2812503A
Cited
US2830276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |