Patent US1889985A successfully refreshed from Google Patents.
Patent US2621736A successfully refreshed from Google Patents.
US2621736A
Expired / Lapsed
US
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Slitting and winding apparatus
Assignee: Bemis Brothers Bag Co
•
Filing: 1948-10-21
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Granted: 1952-12-16
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Expires: 1968-10-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Scruggs
- 👤 Earl K Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:44
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/02; B26; B26D; B26D3/00; B26D3/16; B26D3/161; B65H18/00; B65H18/08; B65H18/14; B65H18/20; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; B65H2301/41486; B65H2301/414866; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/768; Y10T83/7809; Y10T83/783; Y10T83/7834
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |