US1604891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating machine
Assignee: DUCHARD
•
Filing: 1926-03-13
•
Granted: 1926-10-26
•
Expires: 1946-03-13
Abstract
No abstract record available.
Inventors
- 👤 Eeles Frederick Harry
- 👤 Duchard Henri Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:13
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/36; B41K3/38; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4597; Y10T83/4599; Y10T83/626; Y10T83/647; Y10T83/664; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/861; Y10T83/869; Y10T83/8727
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) | 1929-10-25 | 1930-04-26 | 1930-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-10-25 | 1934-04-26 | 1934-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-10-25 | 1938-04-26 | 1938-10-26 | $7700.00 | Window Closed / Lapsed |