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US3020778A
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Bicycle gear shift control
Assignee: Individual
•
Filing: 1954-08-05
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Granted: 1962-02-13
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Expires: 1974-08-05
Abstract
No abstract record available.
Inventors
- 👤 Frithjof C Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
B; B62; B62M; B62M25/00; B62M25/02; B62M25/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20006; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US671676A
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US737675A
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GB190327620A
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FR372921A
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US863422A
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US1149901A
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US1166452A
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US1454392A
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US2090246A
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US2166866A
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US2773398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |