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Patent US2578346A successfully refreshed from Google Patents.
US2578346A
Expired / Lapsed
US
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Mechanism for cutting sheet material
Assignee: Individual
•
Filing: 1948-09-16
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Granted: 1951-12-11
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Expires: 1968-09-16
Abstract
No abstract record available.
Inventors
- 👤 Berkeley J Florian
- 👤 Florian Rodriguez Steuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:40
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/24; C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; Y; Y10; Y10S; Y10S30/00; Y10S30/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |