Patent US2062241A successfully refreshed from Google Patents.
US2062241A
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Continuously variable change speed mechanism
Assignee: NESTOR HAMMARSTROM AND GUSTAF
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Filing: 1935-10-30
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Granted: 1936-11-24
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Expires: 1955-10-30
Abstract
No abstract record available.
Inventors
- 👤 Viberg Sven Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:13
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/22; F16C; F16C3/00; F16C3/04; F16C3/22; F16C3/28; F16H29/02; F16H29/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1505; Y10T74/1506; Y10T74/1508; Y10T74/151; Y10T74/21; Y10T74/211; Y10T74/2111; Y10T74/2114; Y10T74/2173; Y10T74/2179; Y10T74/218
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) | 1939-11-24 | 1940-05-25 | 1940-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-24 | 1944-05-25 | 1944-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-24 | 1948-05-25 | 1948-11-24 | $7700.00 | Window Closed / Lapsed |