US3453899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exposed speed change mechanism of bicycle
Assignee: Shimano Inc
•
Filing: 1967-12-18
•
Granted: 1969-07-08
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Satoshi Tarutani
- 👤 Masashi Nagano
- 👤 Kikunori Nakada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:53
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/12; B62M9/121; B62M9/127; B62M9/124; B62M9/1244; B62M9/1246; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20438; Y10T74/20576; Y10T74/20636; Y10T74/2066; Y10T74/20732; Y10T74/2078; Y10T74/20822; Y10T74/20828; Y10T74/20834; Y10T74/2087; Y10T74/20876
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |