Patent US1793386A successfully refreshed from Google Patents.
US1793386A
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Assignee: CROFUT AND KNAPP CO
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Filing: 1928-12-29
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Granted: 1931-02-17
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Expires: 1948-12-29
Abstract
No abstract record available.
Inventors
- 👤 Cavanagh John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
A; A42; A42C; A42C5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/46; Y10T24/468; Y10T24/4688; Y10T24/4689
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) | 1934-02-16 | 1934-08-18 | 1935-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-16 | 1938-08-18 | 1939-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-16 | 1942-08-18 | 1943-02-17 | $7700.00 | Window Closed / Lapsed |