Patent US2661790A successfully refreshed from Google Patents.
US2661790A
Expired / Lapsed
US
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Machine for making tubular containers
Assignee: EXTRUDED PLASTICS Inc
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Filing: 1947-09-04
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Granted: 1953-12-08
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Expires: 1967-09-04
Abstract
No abstract record available.
Inventors
- 👤 Charles E Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:00
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/16; B29; B29D; B29D99/00; B29D99/0096; B29L; B29L2031/00; B29L2031/56; B29L2031/565; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768
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) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |