US2451844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing machine and linkage mechanism for transmitting and transforming force for use therein
Assignee: PANTEX Manufacturing CORP
•
Filing: 1941-10-18
•
Granted: 1948-10-19
•
Expires: 1961-10-18
Abstract
No abstract record available.
Inventors
- 👤 Frank C Lornitzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
D; D06; D06F; D06F71/00; D06F71/04; D06F71/06; D06F71/062; D06F71/065; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20558
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US368347A
Cited
DE525242C
Cited
CH76714A
Cited
US1653192A
Cited
US1633260A
Cited
US1680729A
Cited
US1820051A
Cited
US1689744A
Cited
US1754387A
Cited
GB313353A
Cited
US1800680A
Cited
GB345225A
Cited
US1822613A
Cited
US1837018A
Cited
US1747870A
Cited
US2051739A
Cited
US2026264A
Cited
US2005019A
Cited
GB503839A
Cited
GB504727A
Cited
US2250715A
Cited
US2211438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |