US2501579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable axle spindle
Assignee: Individual
•
Filing: 1945-12-12
•
Granted: 1950-03-21
•
Expires: 1965-12-12
Abstract
No abstract record available.
Inventors
- 👤 Robert W Pointer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:28
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/02; B60B35/10; B60B35/12; B60B35/14; B60B2310/00; B60B2310/20; B60B2310/202; B60B2310/208; B60B2310/30; B60B2310/305; B60B2360/00; B60B2360/10; B60B2360/102; B60B2900/00; B60B2900/10; B60B2900/112; B60B2900/50; B60B2900/541; B60G; B60G2200/00; B60G2200/40; B60G2200/46; B60G2200/462; B60G2200/4622; B60G2206/00; B60G2206/01; B60G2206/50; B60Y; B60Y2200/00; B60Y2200/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |