US1649635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating device
Assignee: ROTARY PRINTING Co
•
Filing: 1925-08-28
•
Granted: 1927-11-15
•
Expires: 1945-08-28
Abstract
No abstract record available.
Inventors
- 👤 Louis J Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:21
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/02; B26F1/06; B26F1/08; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4836; Y10T83/4844; Y10T83/929; Y10T83/9372; Y10T83/9387; Y10T83/9389
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) | 1930-11-14 | 1931-05-16 | 1931-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-14 | 1935-05-16 | 1935-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-14 | 1939-05-16 | 1939-11-15 | $7700.00 | Window Closed / Lapsed |