US2257336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife for paper converting machines
Assignee: CONS COVER CO
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Filing: 1941-03-26
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Granted: 1941-09-30
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Expires: 1961-03-26
Abstract
No abstract record available.
Inventors
- 👤 Donald M Feurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/0006; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/40; B26D1/405; B26F; B26F1/00; B26F1/18; B26F1/20; B26D2001/0033; B26D2001/006; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4824; Y10T83/483; Y10T83/4836; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9399; Y10T83/9457; Y10T83/9464; Y10T83/9469; Y10T83/9471
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-09-29 | 1945-03-31 | 1945-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-29 | 1949-03-31 | 1949-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-29 | 1953-03-31 | 1953-09-30 | $7700.00 | Window Closed / Lapsed |