US2481670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press mechanism
Assignee: Birdsboro Steel Foundry & Mach
•
Filing: 1945-05-15
•
Granted: 1949-09-13
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Expires: 1965-05-15
Abstract
No abstract record available.
Inventors
- 👤 Japikse Bertrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:18
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/32; B29C43/36; B29C31/00; B29C31/04; B29C31/06; B29C31/065; B29C31/066; B29C31/08; B29C33/00; B29C33/0022; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/255; Y; Y10; Y10S; Y10S264/00; Y10S264/64; Y10S264/65
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |