US1369684A
Expired / Lapsed
US
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Cutting-block-surfacing machine
Assignee: CHARLES C CRAWFORD
•
Filing: 1918-09-11
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Granted: 1921-02-22
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Expires: 1938-09-11
Abstract
No abstract record available.
Inventors
- 👤 Robert A Maddox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:08
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/02; B27B5/08; B23; B23D; B23D45/00; B23D45/10; B23D45/102; B27B5/29; B27B5/30; B27B5/32; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/0311; Y10T83/0326; Y10T83/0333; Y10T83/0363; Y10T83/037
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) | 1924-02-22 | 1924-08-23 | 1925-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-22 | 1928-08-23 | 1929-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-22 | 1932-08-23 | 1933-02-22 | $7700.00 | Window Closed / Lapsed |