US2887893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed transmission and variable pitch pulley therefor
Assignee: Individual
•
Filing: 1955-11-22
•
Granted: 1959-05-26
•
Expires: 1975-11-22
Abstract
No abstract record available.
Inventors
- 👤 Claas August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:51
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; F16H61/00; F16H61/66; F16H61/662; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86662; Y10T137/86863; Y10T137/86871
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1035860A
Cited
US1348123A
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US2198940A
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US2262678A
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US2112141A
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US2135467A
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US2295161A
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US2342880A
Cited
GB577636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |