US2507738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic automobile wheel sander
Assignee: Individual
•
Filing: 1946-08-23
•
Granted: 1950-05-16
•
Expires: 1966-08-23
Abstract
No abstract record available.
Inventors
- 👤 Harry F Spatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:39
CPC Classifications
B; B60; B60B; B60B39/00; B60B39/02; B60B39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US563237A
Cited
US746691A
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US1106686A
Cited
US1243632A
Cited
US1546279A
Cited
US1691298A
Cited
US2322171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |