Patent US3308673A successfully refreshed from Google Patents.
US3308673A
Expired / Lapsed
US
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Variable-speed power transmission mechanisms
Assignee: Austin Motor Co Ltd
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Filing: 1964-11-03
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Granted: 1967-03-14
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Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Gardner Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:59
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19377; Y10T74/19386; Y10T74/194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2356522A
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US2267464A
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US2316503A
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US2518734A
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US2753728A
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US3088336A
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US3245278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |