US2683997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed gear with two freewheeling devices
Assignee: Daimler Benz AG
•
Filing: 1950-07-19
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Granted: 1954-07-20
•
Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hans J M Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16H61/00; F16H61/02; F16H61/0262; F16H2716/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2242276A
Cited
US2262747A
Cited
US2288594A
Cited
US2263453A
Cited
US2333115A
Cited
US2398814A
Cited
US2481997A
Cited
GB618424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |