Patent US2722072A successfully refreshed from Google Patents.
US2722072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated hand tool for scraping and feathering
Assignee: Individual
•
Filing: 1953-05-26
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Granted: 1955-11-01
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Expires: 1973-05-26
Abstract
No abstract record available.
Inventors
- 👤 Aspeek Reginald James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:39
CPC Classifications
B; B23; B23D; B23D79/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US860386A
Cited
US2503539A
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 |