Patent US3383256A successfully refreshed from Google Patents.
US3383256A
Expired / Lapsed
US
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Process and apparatus for capping plastic containers
Assignee: Dow Chemical Co
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Filing: 1964-09-14
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Granted: 1968-05-14
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Carbone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:16
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2807; B65B7/2842; B65B7/2878
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A PROCESS FOR CAPPING A PLASTIC CONTAINER WHICH COMPRISES VACUUM-FORMING A CAP IN A SEGMENT OF WEB COMPRISING A METAL FOIL LAMINATED TO A THERMOPLASTIC FILM, WHICH IS HEAT SEALABLE TO THE PLASTIC OF SAID CONTAINER, SIMULTANEUSLY AFFIXING SAID CAP TO SAID PLASTIC CONTAINER, HEAT SEALING THE SAID CAP TO THE SAID CONTAINER, AND TRIMMING THE EXCESS WEB FROM THE CAP TO PRODUCE A CAPPED CONTAINER.
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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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |