US3574039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film sealing and cutting apparatus
Assignee: CAMPBELL TAGGART ASSOCIATED BAKERIES Inc
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Filing: 1967-11-02
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Granted: 1971-04-06
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Expires: 1987-11-02
Abstract
Abstract A DEVICE FOR SEALING AND CUTTING PLASTIC FILM IN A MACHINE FOR PACKAGING SUBSTANTIALLY UNIFORMLY SHAPED ARTICLES SUCH AS BUNS AND OTHER BAKERY PRODUCTS, WHICH INCLUDES A BASE MEMBER, A HOLDDOWN MEMBERR, A SEALING BAR AND A HOT RIBBON CUTTER WHEREIN THE HOLDDOWN MEMBER AND SEALING BAR ARE ARRANGED TO COME INTO PRESSURE CONTACT WITH LAYERS OF PLASTIC FILM PRESSED THEREUNDER, AND THE HOT RIBBON CUTTER IS ARRANGED TO RECIPROCATINGLY COME INTO CONTACT BETWEEN THE SPACED, PARALLEL SEALED SURFACES OF THE FILM TO SEVER SAME. THIS ABSTRACT SHOULD NOT BE CONSTRUED TO LIMIT THE DISCLOSURE OR THE SCOPE OF THE CLAIMS HEREINAFTER ANNEXED.
Inventors
- 👤 Isaac N Fehr
- 👤 Sidney E Cannon
- 👤 William De Witt Goodman
- 👤 Dan Sutherland
- 👤 Frank Shelby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:00
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/745; B29C65/7451; B29C65/02; B29C65/18; B29C65/24; B29C65/245; B29C65/78; B29C65/7841; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81415; B29C66/81419; B29C66/81431; B29C66/81433; B29C66/8145; B29C66/81457; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/84; B29C66/849; B65; B65B; B65B61/00; B65B61/04; B65B61/06; B65B61/10; B29C66/344; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B29C66/8225; B29C66/8226; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |