Patent US2576607A successfully refreshed from Google Patents.
US2576607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated roof planer
Assignee: Individual
•
Filing: 1950-06-26
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Granted: 1951-11-27
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 Raynard A Knudson
- 👤 Stoker John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:24
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188; A; A47; A47L; A47L13/00; A47L13/02; B28; B28D; B28D1/00; B28D1/18; B28D1/183; B28D1/186; B28D1/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US285666A
Cited
US795997A
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US1282285A
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US1278629A
Cited
US1437925A
Cited
US1688759A
Cited
US1786096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |