Patent US2943504A successfully refreshed from Google Patents.
US2943504A
Expired / Lapsed
US
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Marine reduction gear transmission
Assignee: Rexnord Industries LLC
•
Filing: 1957-09-03
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Granted: 1960-07-05
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Louis W Falk
- 👤 William S Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:17
CPC Classifications
F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088; Y10T74/19098; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19409; Y10T74/19414; Y10T74/19484; Y10T74/19488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |