US2764852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power operated sanding machine
Assignee: Porter Cable Machine Co
•
Filing: 1954-09-16
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Granted: 1956-10-02
•
Expires: 1974-09-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:33
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4077; B; B24; B24B; B24B55/00; B24B55/06; B24B55/10; B24B55/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2136529A
Cited
US2113694A
Cited
US2158940A
Cited
US2268863A
Cited
US2234647A
Cited
US2669812A
Cited
US2582470A
Cited
US2697897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |