US2019848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-feeding press
Assignee: Oilgear Co
•
Filing: 1931-10-24
•
Granted: 1935-11-05
•
Expires: 1951-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
- 👤 John P Ferris
- 👤 George L Heiden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:57
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B30; B30B; B30B15/00; B30B15/30; Y; Y10; Y10T; Y10T83/00; Y10T83/101; Y10T83/444; Y10T83/4523; Y10T83/463; Y10T83/4632; Y10T83/4637; Y10T83/464; Y10T83/4642
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) | 1938-11-04 | 1939-05-06 | 1939-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-04 | 1943-05-06 | 1943-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-04 | 1947-05-06 | 1947-11-05 | $7700.00 | Window Closed / Lapsed |