Patent US3482770A successfully refreshed from Google Patents.
US3482770A
Expired / Lapsed
US
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Variable speed power transmission
Assignee: Alfa Laval Inc
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Filing: 1968-04-10
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Granted: 1969-12-09
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Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Kurt Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:55
CPC Classifications
F; F16; F16H; F16H49/00; F16H49/001; B; B04; B04B; B04B1/00; B04B1/20; B04B1/2016; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734681A
Cited
US2867378A
Cited
US2983162A
Cited
US3058372A
Cited
US3161081A
Cited
US3282497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |