Patent US2521658A successfully refreshed from Google Patents.
US2521658A
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US
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Differential driving and steering mechanism
Assignee: Jaeger Machine Co
•
Filing: 1947-01-23
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Granted: 1950-09-05
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Expires: 1967-01-23
Abstract
No abstract record available.
Inventors
- 👤 William G Van Voorhis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:24
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19112; Y10T74/19116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1205184A
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GB145650A
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US1290266A
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US1428584A
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US1797797A
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US2088110A
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US2152409A
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US2295492A
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US2394119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |