US1728475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punching machine
Assignee: Individual
•
Filing: 1928-09-13
•
Granted: 1929-09-17
•
Expires: 1948-09-13
Abstract
No abstract record available.
Inventors
- 👤 Claude H Cavill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:25
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; B26F1/02; B26F1/04; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/76; Y10T83/869; Y10T83/8727; Y10T83/8742; Y10T83/8743; Y10T83/8821; Y10T83/8828; Y10T83/8841; Y10T83/885
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) | 1932-09-16 | 1933-03-18 | 1933-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-09-16 | 1937-03-18 | 1937-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-09-16 | 1941-03-18 | 1941-09-17 | $7700.00 | Window Closed / Lapsed |