US3499346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating system of speed-changing condition for a bicycle
Assignee: Shimano Inc
•
Filing: 1968-05-22
•
Granted: 1970-03-10
•
Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 Takuo Ishida
- 👤 Masayoshi Kine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
B; B62; B62K; B62K23/00; B62K23/02; B62K23/06; B62M; B62M25/00; B62M25/02; B62M25/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20438; Y10T74/20474
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884804A
Cited
US2004918A
Cited
US2853896A
Cited
US3355964A
Cited
US3406587A
Cited
US3418867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |