US2539018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic steering mechanism
Assignee: Individual
•
Filing: 1945-01-06
•
Granted: 1951-01-23
•
Expires: 1965-01-06
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:20
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/09; B62D5/093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1375678A
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US1790620A
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US962257A
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US1806136A
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US1894055A
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US1899814A
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GB484919A
Cited
US2187073A
Cited
US2152021A
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DE702983C
Cited
US2360539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |