US2725988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile tire sanding device
Assignee: FRED Z STEWART
•
Filing: 1950-10-16
•
Granted: 1955-12-06
•
Expires: 1970-10-16
Abstract
No abstract record available.
Inventors
- 👤 Miller Grace Rhoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:47
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US244468A
Cited
US1387620A
Cited
US1812521A
Cited
US2131514A
Cited
US2256290A
Cited
US2391605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |