US2650465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for spindles
Assignee: TMM Research Ltd
•
Filing: 1951-01-03
•
Granted: 1953-09-01
•
Expires: 1971-01-03
Abstract
No abstract record available.
Inventors
- 👤 Westall Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284429A
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US861075A
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US1149717A
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US1668375A
Cited
US2161348A
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US2249387A
Cited
GB610614A
Cited
US2497834A
Cited
US2555652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |