US2787922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cutting dies
Assignee: Individual
•
Filing: 1955-11-28
•
Granted: 1957-04-09
•
Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Howard L Bien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:39
CPC Classifications
B; B22; B22C; B22C11/00; B21; B21D; B21D37/00; B21D37/20; B21D37/205; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B29; B29C; B29C39/00; B26F1/40; B26F2001/4463
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) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |