Patent US2043554A successfully refreshed from Google Patents.
US2043554A
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Cutting off mechanism for tube and bag making machinery
Assignee: Potdevin Machine Co
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Filing: 1934-03-30
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Granted: 1936-06-09
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Expires: 1954-03-30
Abstract
No abstract record available.
Inventors
- 👤 Potdevin Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:58
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/16; B31B2155/00; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4594; Y10T83/647; Y10T83/869; Y10T83/8752; Y10T83/929
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) | 1939-06-09 | 1939-12-09 | 1940-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-09 | 1943-12-09 | 1944-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-09 | 1947-12-09 | 1948-06-09 | $7700.00 | Window Closed / Lapsed |