US1834918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die mechanism
Assignee: Individual
•
Filing: 1929-11-29
•
Granted: 1931-12-08
•
Expires: 1949-11-29
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Altvater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:04
CPC Classifications
C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9457; Y10T83/9473; Y10T83/9483
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) | 1934-12-07 | 1935-06-08 | 1935-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-07 | 1939-06-08 | 1939-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-07 | 1943-06-08 | 1943-12-08 | $7700.00 | Window Closed / Lapsed |