US2951408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for cutting, notching and feeding diamond shaped envelope blanks
Assignee: FL Smithe Machine Co Inc
•
Filing: 1954-11-17
•
Granted: 1960-09-06
•
Expires: 1974-11-17
Abstract
No abstract record available.
Inventors
- 👤 Novick Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:28
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/16; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104; Y; Y10; Y10S; Y10S83/00; Y10S83/911; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2042; Y10T83/465; Y10T83/4699; Y10T83/4766; Y10T83/4795; Y10T83/4847; Y10T83/929; Y10T83/9372; Y10T83/9384
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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |