Patent US2464993A successfully refreshed from Google Patents.
US2464993A
Expired / Lapsed
US
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Shredding machine
Assignee: Individual
•
Filing: 1945-12-19
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Granted: 1949-03-22
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Expires: 1965-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ross Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:56
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/10; B26D3/11; Y; Y10; Y10T; Y10T82/00; Y10T82/30; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6585; Y10T83/6667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US204895A
Cited
US1568786A
Cited
US1728843A
Cited
US1891997A
Cited
US1954165A
Cited
US2012507A
Cited
US2026691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |