Patent US2748863A successfully refreshed from Google Patents.
US2748863A
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Perforating machine for thermoplastic films
Assignee: Individual
•
Filing: 1953-03-02
•
Granted: 1956-06-05
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Harold Z Benton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:27
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2628; B26D7/265; B26F; B26F1/00; B26F1/24; B29; B29C; B29C67/00; Y; Y10; Y10S; Y10S425/00; Y10S425/037; Y10T; Y10T83/00; Y10T83/283; Y10T83/293; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4836
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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |