Patent US2799183A successfully refreshed from Google Patents.
US2799183A
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US
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Free wheeling bicycle hub
Assignee: ZF Friedrichshafen AG
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Filing: 1956-09-21
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Granted: 1957-07-16
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Rhein Hans
- 👤 Brendel Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:00
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/24; F16D41/30; B; B62; B62L; B62L5/00; B62L5/02; B62L5/04; B62M; B62M11/00; B62M11/04; B62M11/14; Y; Y10; Y10S; Y10S475/00; Y10S475/90
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |