US2836994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infinitely variable friction transmission with conical planetary rollers
Assignee: Individual
•
Filing: 1954-08-31
•
Granted: 1958-06-03
•
Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Weber Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US888761A
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US1517722A
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US1629902A
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US1867843A
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US1887505A
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US2029042A
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US2062901A
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US2114245A
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US2574530A
Cited
US2759375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |