US1843483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch and countersink machine
Assignee: Individual
•
Filing: 1929-10-19
•
Granted: 1932-02-02
•
Expires: 1949-10-19
Abstract
No abstract record available.
Inventors
- 👤 William H Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:23
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/002; B21D28/24; B21D28/34; B23; B23B; B23B51/00; B23B51/08; B23B51/10; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8843; Y10T83/929; Y10T83/9411; Y10T83/9418; Y10T83/9423; Y10T83/9428
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) | 1935-02-01 | 1935-08-03 | 1936-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-01 | 1939-08-03 | 1940-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-01 | 1943-08-03 | 1944-02-02 | $7700.00 | Window Closed / Lapsed |