US2619733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the maintenance of true bearing
Assignee: Individual
•
Filing: 1946-06-06
•
Granted: 1952-12-02
•
Expires: 1966-06-06
Abstract
No abstract record available.
Inventors
- 👤 Horton Joseph Warren
- 👤 Haynes James Burney
- 👤 Glenn D Gillett
- 👤 Richard G Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:14
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191101024A
Cited
US1215425A
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FR594563A
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US1814842A
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US1926251A
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US1998939A
Cited
US2415429A
Cited
US2415430A
Cited
US2422180A
Cited
US2423438A
Cited
US2433837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |