US2672268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic sealing of bags with vacuum nozzles
Assignee: WILLIAM R MCLAIN
•
Filing: 1948-02-25
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Granted: 1954-03-16
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Expires: 1968-02-25
Abstract
No abstract record available.
Inventors
- 👤 Clyde S Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:49
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/78; B29C65/7841; B29C65/7847; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/232; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/816; B29C66/8161; B29C66/8167; B29C66/82; B29C66/822; B29C66/8221; B29C66/828; B29C66/83; B29C66/832; B29C66/8324; B29C66/84; B29C66/849; B65; B65B; B65B31/00; B65B31/04; B65B31/06; B29C66/71; B29C66/8145; B29C66/81457; B29C66/8225; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |