Patent US1546944A successfully refreshed from Google Patents.
US1546944A
Expired / Lapsed
US
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Variable-speed transmission
Assignee: Individual
•
Filing: 1922-05-10
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Granted: 1925-07-21
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Expires: 1942-05-10
Abstract
No abstract record available.
Inventors
- 👤 John J Schiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:03
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/04; F16H57/00; F16H57/02; F16H2057/02095; F16H2700/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19237; Y10T74/19293; Y10T74/19335; Y10T74/1934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-07-20 | 1929-01-19 | 1929-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-20 | 1933-01-19 | 1933-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-20 | 1937-01-19 | 1937-07-21 | $7700.00 | Window Closed / Lapsed |