US2947202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-03-13
•
Granted: 1960-08-02
•
Expires: 1976-03-13
Abstract
No abstract record available.
Inventors
- 👤 Montalva-Calderon Miguel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:14
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H2718/00; F16H2718/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037808A
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US1365195A
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US1752755A
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US1883500A
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US1997503A
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GB399629A
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US2123430A
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US2085668A
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US2330375A
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US2292079A
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FR1008325A
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US2794350A
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US2692513A
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |