Patent US2907002A successfully refreshed from Google Patents.
US2907002A
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US
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Message spacing control system
Assignee: RCA Corp
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Filing: 1954-03-29
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Granted: 1959-09-29
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Joel N Smith
- 👤 William R Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/12; G11B20/1201; G11B20/1202; G11B20/1205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2583983A
Cited
US2477309A
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US2632845A
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US2668283A
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US2659815A
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US2632104A
Cited
US2700067A
Cited
US2818322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |