US3587382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die for cutting paper
Assignee: Individual
•
Filing: 1968-10-08
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Granted: 1971-06-28
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Expires: 1988-10-08
Abstract
Abstract THIS INVENTION RELATES TO A DIE FOR CUTTING PAPER. MORE PARTICULARLY, THE INVENTION RELATES TO A PAPER CUTTING DIE FORMED OF A THIN ELONGATED FLEXIBLE METAL STRIP POSITIONED ON A BACKING PLATE AND HELD THERE BY A REINFORCING PLATE OF SEVERABLE MATERIAL FORCED DOWN OVER THE METAL CUTTING STRIP, THE STRIP EXTENDING UPWARDLY THROUGH THE REINFORCING PLATE, THE REINFORCING PLATE BEING BONDED BY ADHESIVE TO THE BACKING PLATE.
Inventors
- 👤 Harry S Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:43
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26F1/40; B26F2001/4463; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9295; Y10T83/9457; Y10T83/9473
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |