US2804134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material slitting machine
Assignee: Individual
•
Filing: 1954-02-01
•
Granted: 1957-08-27
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 John G Berry
- 👤 Eugene V Mort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:53
CPC Classifications
B; B23; B23D; B23D19/00; B23D19/04; B23D19/06; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7809; Y10T83/783; Y10T83/7834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144155A
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US448258A
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US474822A
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US529831A
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US1727796A
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US1955944A
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US2210018A
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US2241395A
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US2222051A
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US2613571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |