Patent US2997898A successfully refreshed from Google Patents.
US2997898A
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Automatic transmission of power
Assignee: AUTOMATIVE PRODUCTS Co LT
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Filing: 1959-03-19
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Granted: 1961-08-29
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Expires: 1979-03-19
Abstract
No abstract record available.
Inventors
- 👤 Ellis Frederick Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:55
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2005; F16H48/00; F16H48/06; F16H48/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US864903A
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US864904A
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US1537802A
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US2080937A
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US2202794A
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US2756851A
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US2883026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |