Patent US20020002397A1 successfully refreshed from Google Patents.
US2478121A
Expired / Lapsed
US
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Process of heat sealing
Assignee: Individual
•
Filing: 1945-03-16
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Granted: 1949-08-02
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Expires: 1965-03-16
Abstract
No abstract record available.
Inventors
- 👤 Hans G Morner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/50; B29C65/5064; B29C65/5071; B29C53/00; B29C53/36; B29C65/5085; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/116; B29C66/1162; B29C66/13; B29C66/135; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C65/02; B29C65/18; B29C65/4805; B29C65/481; B29C65/4815; B29C66/83221; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |