US1782570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip-perforating machine
Assignee: Bell and Howell Co
•
Filing: 1927-07-06
•
Granted: 1930-11-25
•
Expires: 1947-07-06
Abstract
No abstract record available.
Inventors
- 👤 Albert S Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:49
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/22; B26D1/225; B26F; B26F1/00; B26F1/0007; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5626; Y10T83/00; Y10T83/444; Y10T83/463; Y10T83/4635; Y10T83/647; Y10T83/6476; Y10T83/6484; Y10T83/6489; Y10T83/6584; Y10T83/6603; Y10T83/768; Y10T83/7751
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-11-24 | 1934-05-26 | 1934-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-24 | 1938-05-26 | 1938-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-24 | 1942-05-26 | 1942-11-25 | $7700.00 | Window Closed / Lapsed |