US2675983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardholder
Assignee: Individual
•
Filing: 1950-02-20
•
Granted: 1954-04-20
•
Expires: 1970-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert S King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
G; G09; G09F; G09F21/00; G09F21/04; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US554091A
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US711621A
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US1351919A
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US1699730A
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US1705381A
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US1759544A
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US1885282A
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US2253423A
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US2214302A
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US2191808A
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US2372967A
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US2597649A
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US2442266A
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US2494179A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |