Patent US1939246A successfully refreshed from Google Patents.
US1939246A
Expired / Lapsed
US
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Paper shredding machine
Assignee: Individual
•
Filing: 1930-09-09
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Granted: 1933-12-12
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Expires: 1950-09-09
Abstract
No abstract record available.
Inventors
- 👤 Louie J Antonsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:35
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/08; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/14; Y10T225/30; Y10T225/329; Y10T225/336; Y10T225/343; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0453; Y10T83/202; Y10T83/2066; Y10T83/929; Y10T83/9372; Y10T83/9374
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) | 1936-12-11 | 1937-06-12 | 1937-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-11 | 1941-06-12 | 1941-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-11 | 1945-06-12 | 1945-12-12 | $7700.00 | Window Closed / Lapsed |