US2844309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comparing system
Assignee: RCA Corp
•
Filing: 1952-11-20
•
Granted: 1958-07-22
•
Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 William R Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; G06F7/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434487A
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US2441579A
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US2539043A
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US2589240A
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US2487603A
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US2539623A
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US2640883A
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US2615127A
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US2611085A
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US2607006A
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US2719226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |