Patent US2770302A successfully refreshed from Google Patents.
US2770302A
Expired / Lapsed
US
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Machine for shredding paper or the like into strips
Assignee: Individual
•
Filing: 1952-01-08
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Granted: 1956-11-13
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Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Filemon T Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:52
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/08; D21B1/10; B; B02; B02C; B02C18/00; B02C18/0007; B02C2018/0069; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/2103; Y10T83/2209; Y10T83/2218; Y10T83/768; Y10T83/7809; Y10T83/783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319496A
Cited
US1178386A
Cited
US2106896A
Cited
US2202843A
Cited
US2521567A
Cited
US2554114A
Cited
US2679900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |