Patent US2719249A successfully refreshed from Google Patents.
US2719249A
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US
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Beam alignment device
Assignee: RCA Corp
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Filing: 1950-12-22
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Granted: 1955-09-27
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Expires: 1970-12-22
Abstract
No abstract record available.
Inventors
- 👤 Albert W Friend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:44
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/28; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR866065A
Cited
US2274586A
Cited
US2348133A
Cited
US2454378A
Cited
US2521061A
Cited
US2581487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |