US3486955A
Expired / Lapsed
US
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Method and apparatus for heat sealing and cutting porous thermoplastic material
Assignee: MAXBO AB
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Filing: 1966-05-02
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Granted: 1969-12-30
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Max Paabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/002; B26; B26F; B26F3/00; B26F3/06; B29C65/00; B29C65/02; B29C65/10; B29C65/74; B29C65/743; B29C65/7439; B29C65/747; B29C65/7471; B29C65/78; B29C65/7841; B29C65/7847; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/349; B29C66/3492; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/70; B29C66/72; B29C66/727; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/836; B29C66/84; B29C66/843; B29C66/8432; B29C65/749; B29C66/3494; B29C66/71; B29K; B29K2077/00; B29K2101/00; B29K2101/12; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/712; B29L2031/7122; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/12; Y10T156/1313
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |