Patent US1648798A successfully refreshed from Google Patents.
US1648798A
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Assignee: Individual
•
Filing: 1925-11-27
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Granted: 1927-11-08
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Expires: 1945-11-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Crook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/02; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17905; Y10T279/17914; Y10T279/17957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-11-07 | 1931-05-09 | 1931-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-07 | 1935-05-09 | 1935-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-07 | 1939-05-09 | 1939-11-08 | $7700.00 | Window Closed / Lapsed |