US3067631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-step variable angular velocity ratio conveying mechanism
Assignee: Individual
•
Filing: 1959-03-09
•
Granted: 1962-12-11
•
Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Hayasaka Enakichi
- 👤 Hayasaka Shigeaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:06
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H61/00; F16H61/02; F16H61/0202; F16H2716/00; F16H2716/08; F16H2720/00; F16H3/72; F16H3/727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2750812A
Cited
US1076614A
Cited
US1515321A
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US2235370A
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US2600592A
Cited
US2737062A
Cited
US2941421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |