US2722091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power surfacing means
Assignee: AMERICAN FLOOR SURFACING MACH
•
Filing: 1954-08-05
•
Granted: 1955-11-01
•
Expires: 1974-08-05
Abstract
No abstract record available.
Inventors
- 👤 Francis D Dolan
- 👤 Charles A Latimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:12
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810037A
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US1277601A
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US1821624A
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US1826177A
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US1921513A
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US1841787A
Cited
US1920364A
Cited
US1969318A
Cited
US2259941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |