Patent US2255846A successfully refreshed from Google Patents.
US2255846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper-trimming machine
Assignee: Individual
•
Filing: 1940-12-30
•
Granted: 1941-09-16
•
Expires: 1960-12-30
Abstract
No abstract record available.
Inventors
- 👤 Grammer Samuel King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:00
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/04; B65H35/06; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/08; B26D1/09; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/934; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8782; Y10T83/8821; Y10T83/8828; Y10T83/8831; Y10T83/8867; Y10T83/8868
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) | 1944-09-15 | 1945-03-17 | 1945-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-15 | 1949-03-17 | 1949-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-15 | 1953-03-17 | 1953-09-16 | $7700.00 | Window Closed / Lapsed |