US3302490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an arcuate forme for cutting and creasing sheet material
Assignee: Deritend Engineering Co Ltd
•
Filing: 1964-08-19
•
Granted: 1967-02-07
•
Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Bishop Thomas Desmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:22
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/28; B23P15/40; B23P15/406; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26F1/384; B26F2001/4463; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9377; Y10T83/9457; Y10T83/9464
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |