US3090174A
Expired / Lapsed
US
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Packaging method and apparatus
Assignee: Kraft Inc
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Filing: 1960-08-24
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Granted: 1963-05-21
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Kraft George Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:13
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/232; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/8145; B29C66/81457; B29C66/816; B29C66/8161; B29C66/83; B29C66/834; B29C66/8351; B29C66/83531; B29C66/83533; B29C66/84; B29C66/849; B29C65/74; B29C66/82; B29C66/822; B29C66/8221; B29C66/8223; B29C66/83511; B29C66/83513
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A PACKAGING METHOD FOR CONTINUOUSLY PRODUCING PACKAGED UNITS AND WHICH COMPRISES SUCCESSIVELY DISPOSING A PLURALITY OF THE UNITS TO BE PACKAGED IN SPACED-APART RELATIONSHIP WITHIN AN ELONGATED TUBE HAVING A SINGLE OPEN END AND FORMED OF SUBSTANTIALLY GAS IMPERVIOUS, FLEXIBLE SHEET MATERIAL, CONTINUOUSLY INTRODUCING A PRESERVATIVE GAS INTO SAID TUBE AND THEN PROGRESSIVELY, FROM THE CLOSED END OF SAID TUBE, COLLAPSING SAID TUBE AT POSITIONS INTERMEDIATE ADJACENT UNITS IN A MANNER SUCH THAT THE OPPOSITE FACES OF THE TUBULAR WRAPPER ARE INITIALLY PRESSED TOGETHER ALONG A TRANSVERSE LINE ADJACENT ONE OF THE UNITS TO A POSITION ADJACENT THE FOLLOWING UNIT AND IN A PROGRESSIVE MANNER
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |