US1801757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slitting machine
Assignee: Candee & Co L
•
Filing: 1928-08-01
•
Granted: 1931-04-21
•
Expires: 1948-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Shippling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:55
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; D06H7/08; Y; Y10; Y10T; Y10T83/00; Y10T83/323; Y10T83/647; Y10T83/6572; Y10T83/6584; Y10T83/6635; Y10T83/6636; Y10T83/768; Y10T83/7809; Y10T83/7851
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) | 1934-04-20 | 1934-10-20 | 1935-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-04-20 | 1938-10-20 | 1939-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-04-20 | 1942-10-20 | 1943-04-21 | $7700.00 | Window Closed / Lapsed |