Patent US3557525A successfully refreshed from Google Patents.
US3557525A
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Apparatus for making and filling bags
Assignee: FR Hesser Maschinenfabrik AG
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Filing: 1968-01-18
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Granted: 1971-01-26
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Expires: 1988-01-18
Abstract
Abstract APPARATUS FOR FORMING, FILLING AND SEALING BAGS FORMED FROM A CONTINUOUS WEB OF PAPER OR CARBON-LIKE MATERIAL WHICH IS COATED WITH LONGITUDINAL AND TRANSVERSE ADHESIVE REGIONS, DRIED, PLACED OVER A FORMING TUBE TO CREATE A WEB OF ENDLESS TUBING. SEAL JAWS PRESS THE LONGITUDINAL AND INTERMITTENT TRANSVERSE ADHESIVE REGIONS TO ESTABLISH SEAMS. THE TUBULAR WEB IS FILLED, CLOSED BY SEAL JAWS AND CUT INTO INDIVIDUAL BAGS.
Inventors
- 👤 Ulrich Bauder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:24
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/10; B65B9/20; B65B9/213; B29; B29C; B29C65/00; B29C65/48; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7891; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/432; B29C66/4322; B29C66/80; B29C66/83; B29C66/834; B29C66/8351; B29C66/83541; B29C66/83543; B29C66/84; B29C66/849; B65B41/00; B65B41/12; B65B41/16; B65B51/00; B65B51/02; B65B51/026; B29C65/4805; B29C65/481; B29C65/482; B29C65/4825; B29C65/52; B29C65/526; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/21; B29C66/832; B29C66/8322; B29C66/83221
Claims Analysis
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |