Patent US2703992A successfully refreshed from Google Patents.
US2703992A
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US
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Differential speed reducer
Assignee: Curtiss Wright Corp
•
Filing: 1950-09-26
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Granted: 1955-03-15
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Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Edward K Hine
- 👤 William E Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:44
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/06; F16H13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1399443A
Cited
US1628769A
Cited
FR650288A
Cited
US1701723A
Cited
US1976407A
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US2051842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |