US2561050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cutting flat shaped pieces from plastic materials
Assignee: Individual
•
Filing: 1946-02-23
•
Granted: 1951-07-17
•
Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles S Charron
- 👤 Crawford-Brown Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:11
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B26F1/405; B26D; B26D1/00; B26D1/56; B26D1/60; B26D1/605; B26F1/44; B26F3/00; B26F3/06; B26F3/08; B26F1/384; B26F2001/4472; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414; Y10T83/0448; Y10T83/0457; Y10T83/0486; Y10T83/06; Y10T83/202; Y10T83/2066; Y10T83/2074; Y10T83/2079; Y10T83/465; Y10T83/4757
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |