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US2589603A
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Crushing machine
Assignee: Individual
•
Filing: 1949-04-26
•
Granted: 1952-03-18
•
Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Cohen Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/30; Y; Y10; Y10S; Y10S241/00; Y10S241/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US851757A
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US1058948A
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US1226718A
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US1377370A
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US1412793A
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US1842909A
Cited
US2265649A
Cited
GB564567A
Cited
US2444088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |