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Patent US2726718A successfully refreshed from Google Patents.
US2726718A
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US
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Apparatus for cutting blanks from sheet material
Assignee: Individual
•
Filing: 1951-12-12
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Granted: 1955-12-13
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Fred J Pfeifle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:33
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/08; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2046; Y10T83/2063; Y10T83/2092; Y10T83/2183; Y10T83/2185; Y10T83/869; Y10T83/8748
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US729454A
Cited
GB190717446A
Cited
US964601A
Cited
US1443761A
Cited
US1819481A
Cited
FR757921A
Cited
US1978051A
Cited
US2253636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |