US3445629A
Expired / Lapsed
US
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Web edge heating element
Assignee: Tetra Pak AB
•
Filing: 1966-08-04
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Granted: 1969-05-20
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Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Sven Olof Soren Stark
- 👤 Peter K Giacomelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C35/00; B29C35/02; B29C65/10; B29C65/14; B29C65/1429; B29C65/1445; B29C65/1448; B29C66/00; B29C66/80; B29C66/81; B29C66/812; B29C66/8126; B29C66/81262; B29C66/83; B29C66/836; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B29C2035/0211; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/818; B29C66/8181
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |