Patent US3421384A successfully refreshed from Google Patents.
US3421384A
Expired / Lapsed
US
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Change speed apparatus for a vehicle
Assignee: Honda Gijutsu Kenkyusho KK
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Filing: 1967-09-22
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Granted: 1969-01-14
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Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Yoshinori Okamoto
- 👤 Takanori Onda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:45
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/08; F16H63/14; F16H63/16; F16H63/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19279; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20055; Y10T74/20085
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |