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US2964370A
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Assignee: Individual
•
Filing: 1956-09-17
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Granted: 1960-12-13
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Edward J Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:26
CPC Classifications
G; G04; G04C; G04C17/00; G04C17/005; G04C17/0058; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114; Y10T74/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677872A
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US1007415A
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US1089712A
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US1722333A
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US1886568A
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US2061827A
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US2213462A
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US2147280A
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US2204868A
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US2318048A
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US2391718A
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US2495462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |