Patent US2536392A successfully refreshed from Google Patents.
US2536392A
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Nontorque equalizing differential
Assignee: DUALOC ENGINEERING Co
•
Filing: 1947-08-23
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Granted: 1951-01-02
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Expires: 1967-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:19
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/28; F16H48/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397066A
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US1406627A
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US1431535A
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US1462716A
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US1596517A
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US2000223A
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US2338413A
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US2267362A
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US2355133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |