US1970134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic press
Assignee: Oilgear Co
•
Filing: 1932-07-29
•
Granted: 1934-08-14
•
Expires: 1952-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:04
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/20; B21D22/22; B21D45/00; B21D45/02; B30; B30B; B30B15/00; B30B15/16; Y; Y10; Y10S; Y10S24/00; Y10S24/26
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) | 1937-08-13 | 1938-02-12 | 1938-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-13 | 1942-02-12 | 1942-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-13 | 1946-02-12 | 1946-08-14 | $7700.00 | Window Closed / Lapsed |