Patent US3174353A successfully refreshed from Google Patents.
US3174353A
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Speed reducing gear
Assignee: Dravo Corp
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Filing: 1961-02-23
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Granted: 1965-03-23
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Gross Jerome Raleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:12
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/04; F16H1/00; F16H1/02; F16H1/20; F16H1/203; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/188; Y10T74/18808; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/1966; Y10T74/19665; Y10T74/19679; Y10T74/19684; Y10T74/19698; Y10T74/19828; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE205114C
Cited
US280757A
Cited
GB391543A
Cited
US2131531A
Cited
US2392149A
Cited
US2685260A
Cited
US2700345A
Cited
US2783654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |