Patent US2578403A successfully refreshed from Google Patents.
US2578403A
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US
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Variable-speed transmission mechanism
Assignee: Individual
•
Filing: 1949-11-08
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Granted: 1951-12-11
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Expires: 1969-11-08
Abstract
No abstract record available.
Inventors
- 👤 Danelon Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:01
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/42; F16H15/00; F16H15/02; F16H15/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/1956; Y10T74/19565; Y10T74/19642; Y10T74/1966; Y10T74/19665; Y10T74/19949; Y10T74/19963; Y10T74/19967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |