US2808986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic digital computer
Assignee: Individual
•
Filing: 1952-03-21
•
Granted: 1957-10-08
•
Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph J Stone
- 👤 Estle R Mann
- 👤 Edward S Bettis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
G; G06; G06F; G06F17/00; G06F17/10; G06F17/11; G06F17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2111813A
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US2617704A
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US2538636A
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US2587532A
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US2609143A
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US2618346A
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US2604262A
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US2564403A
Cited
US2594731A
Cited
US2614169A
Cited
US2651458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |