Patent US2334485A successfully refreshed from Google Patents.
US2334485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for combining materials
Assignee: Potdevin Machine Co
•
Filing: 1940-06-14
•
Granted: 1943-11-16
•
Expires: 1960-06-14
Abstract
No abstract record available.
Inventors
- 👤 Ettl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:47
CPC Classifications
B; B32; B32B; B32B39/00; B32B37/00; B32B37/0046; B32B37/0053; B32B38/00; B32B38/16; B32B38/162; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741; Y10T156/1798
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-11-15 | 1947-05-17 | 1947-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-15 | 1951-05-17 | 1951-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-15 | 1955-05-17 | 1955-11-16 | $7700.00 | Window Closed / Lapsed |