US1618191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating attachment for printing presses
Assignee: Individual
•
Filing: 1926-02-17
•
Granted: 1927-02-22
•
Expires: 1946-02-17
Abstract
No abstract record available.
Inventors
- 👤 Hemberger Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:04
CPC Classifications
B; B41; B41G; B41G7/00; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838; Y10T83/4841; Y10T83/4844; Y10T83/929; Y10T83/9372; Y10T83/9408; Y10T83/9457; Y10T83/9464
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) | 1930-02-21 | 1930-08-23 | 1931-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-21 | 1934-08-23 | 1935-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-21 | 1938-08-23 | 1939-02-22 | $7700.00 | Window Closed / Lapsed |