US3096602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging method
Assignee: Dow Chemical Co
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Filing: 1962-01-05
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Granted: 1963-07-09
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Expires: 1982-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick C Newmaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:13
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/50; B65B11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN THE METHOD FOR PACKAGING ARTICLES COMPRISING POSITIONING AN ARTICLE TO BE PACKAGED UPON AN AIR PERMEABLE PAPERBOARD BASE, BRINGING INTO CONTACT WITH SAID ARTICLE AND SAID BASE A HEATED FILM OF A NON-AROMATIC OLEFIN POLYMER, DRAWING SAID FILM INTO SKIN-LIKE RELATIONSHIP WITH SAID ARTICLE BY APPLYING A SUCTION TO THE SIDE OF SAID BASE OPPOSITE THAT ON WHICH SAID ARTICLE IS POSITIONED AND SUBSEQUENTLY COOLING THE PACKAGE SO-FORMED, THE IMPROVEMENT COMPRISING, PRIOR TO BRINGING INTO CONTACT SAID ARTICLE AND SAID BASE WITH SAID HEATED FILM, PROVIDING SAID FILM WITH AN AT LEAST PARTIALLY OXIDIZED SURFACE, AND APPLYING OVER SAID OXIDIZED SURFACE BETWEEN ABOUT 5 AND ABOUT 100 GRAMS PER THOUSAND SQUARE FEED OF FILM SURFACE OF A POLYALKYLENEIMINE COMPRISED OF ALKYLENE UNITS CONTAINING FROM 2 TO AOUT 4 CARBON ATOMS, SAID OXIDIZED SURFACE HAVING APPLIED THEREOVER THE POLYALKYLENEIMINE BEING THE SURFACE THAT IS BROUGHT INTO CONTACT WITH SAID ARTICLE AND SAID BASE.
Claim 2
Dependent Claim
153 words
IN THE METHOD FOR PACKAGING ARTICLES COMPRISING POSITIONING AN ARTICLE TO BE PACKAGED UPON AN AIR PERMEABLE PAPERBOARD BASE, BRINGING INTO CONTACT WITH SAID ARTICLE AND SAID BASE A HEATED FILM OF A NON-AROMATIC OLEFIN POLYMER, DRAWING SAID FILM INTO SKIN-LIKE RELATIONSHIP WITH SAID ARTICLE BY APPLYING A SUCTION TO THE SIDE OF SAID BASE OPPOSITE THAT ON WHICH SAID ARTICLE IS POSITIONED AND SUBSEQUENTLY COOLING THE PACKAGE SO-FORMED, THE IMPROVEMENT COMPRISING, PRIOR TO BRINGING INTO CONTACT SAID ARTICLE AND SAID BASE WITH SAID HEATED FILM, PROVIDING SAID FILM WITH AN AT LEAST PARTIALLY OXIDIZED SURFACE, AND APPLYING OVER SAID OXIDIZED SURFACE BETWEEN ABOUT 5 AND ABOUT 100 GRAMS PER THOUSAND SQUARE FEED OF FILM SURFACE OF A POLYALKYLENEIMINE COMPRISED OF ALKYLENE UNITS CONTAINING FROM 2 TO AOUT 4 CARBON ATOMS, SAID OXIDIZED SURFACE HAVING APPLIED THEREOVER THE POLYALKYLENEIMINE BEING THE SURFACE THAT IS BROUGHT INTO CONTACT WITH SAID ARTICLE AND SAID BASE.
References Cited (Backward Citations)
US2828799A
Cited
US2989827A
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US2861405A
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US2984056A
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US3022614A
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US3031072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |