US2805700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming thermoplastic bag-tubing
Assignee: Central States Paper and Bag Co
•
Filing: 1956-01-12
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Granted: 1957-09-10
•
Expires: 1976-01-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Klasing
- 👤 William J Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/741; B29C65/7411; B29C65/7412; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/743; B29C65/7439; B29C65/7441; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/20; B29C66/24; B29C66/244; B29C66/2442; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81417; B29C66/83; B29C66/832; B29C66/8322; B29C66/836; B29C66/84; B29C66/843; B29C66/8432; B29C66/841; B29C66/8412; B29C66/84121; B31; B31B; B31B2155/00; B31B2155/002; B31B2155/003; B31B2160/00; B31B2160/10; B31B2170/00; B31B2170/10; B31B2241/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/12; Y10T156/1313; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1715
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735797A
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US2125758A
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US2257823A
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US2679280A
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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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |