US2325290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material punching apparatus
Assignee: Individual
•
Filing: 1941-09-27
•
Granted: 1943-07-27
•
Expires: 1961-09-27
Abstract
No abstract record available.
Inventors
- 👤 George F Wales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:46
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49897; Y10T83/00; Y10T83/04; Y10T83/06; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2046; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/22; Y10T83/2205; Y10T83/748; Y10T83/7587
Claims Analysis
Total Claims: 0
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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) | 1946-07-26 | 1947-01-25 | 1947-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-26 | 1951-01-25 | 1951-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-26 | 1955-01-25 | 1955-07-27 | $7700.00 | Window Closed / Lapsed |