US2596340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawbench unloading arm mechanism
Assignee: Alcoa Corp
•
Filing: 1947-06-19
•
Granted: 1952-05-13
•
Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Maurice W Mahns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:19
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/16; B21C1/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2128902A
Cited
US1541118A
Cited
US1855051A
Cited
US1889039A
Cited
US1940354A
Cited
GB451481A
Cited
US2301674A
Cited
US2262432A
Cited
US2367793A
Cited
US2369467A
Cited
US2446438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |