US2779200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Patent Corp
•
Filing: 1952-06-13
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Granted: 1957-01-29
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Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 Lyndon A Durant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; G07F17/3202; G07F17/3204; G07F17/3211; G07F17/3213; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1158991A
Cited
US1403767A
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US1816102A
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US2300954A
Cited
US2428569A
Cited
US2612785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |