US2510214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming blanks
Assignee: Individual
•
Filing: 1947-02-17
•
Granted: 1950-06-06
•
Expires: 1967-02-17
Abstract
No abstract record available.
Inventors
- 👤 John W Ekstedt
- 👤 Albert F Pityo
- 👤 Butterfield Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:24
CPC Classifications
G; G09; G09B; G09B29/00; B; B29; B29C; B29C43/00; B29C51/00; B29C51/08; B29C51/082; B29C51/16; B32; B32B; B32B27/00; G09B27/00; G09B27/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1043; Y10T156/1044; Y10T156/1048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US643235A
Cited
US843854A
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US1385431A
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US2208583A
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US2282423A
Cited
US2328992A
Cited
US2305998A
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US2369583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |