Patent US3215266A successfully refreshed from Google Patents.
US3215266A
Expired / Lapsed
US
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Packaging
Assignee: WR Grace and Co
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Filing: 1961-07-24
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Granted: 1965-11-02
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:11
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/06; B65D71/08; B65B; B65B53/00; B65B53/02; B65B53/06; B65D75/00; B65D75/002; B65D2571/00; B65D2571/00006; B65D2571/00012; B65D2571/00018; B65D2571/00024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PACKAGE WHICH COMPRISES (A) AN OBJECT, (B) A THERMOPLASTIC FILM OVERLAPPED ABOUT SAID OBJECT TO FORM AN OPEN ENDED, ENVELOPING, TIGHTLY FITTING TUBE, (C) AN OPEN AREA IN SAID FILM IN THE END AREAS OF THE RESULTANT PACKAGE TO PERMIT THE CIRCULATION OF AIR THROUGHT THE PACKAGE, SAID OPEN AREA BEING SMALLER THAN SAID END ARAS, (D) THE FILM EDGES OF SAID OPEN AREA BEING THICKENED, AND (E) THE OVERLAPPED FILM PORTIONS BEING HEAT SEALED TO EACH OTHER AT LEAST AT EACH END OF SAID PACKAGE.
Claim 2
Dependent Claim
87 words
A PACKAGE WHICH COMPRISES (A) AN OBJECT, (B) A THERMOPLASTIC FILM OVERLAPPED ABOUT SAID OBJECT TO FORM AN OPEN ENDED, ENVELOPING, TIGHTLY FITTING TUBE, (C) AN OPEN AREA IN SAID FILM IN THE END AREAS OF THE RESULTANT PACKAGE TO PERMIT THE CIRCULATION OF AIR THROUGHT THE PACKAGE, SAID OPEN AREA BEING SMALLER THAN SAID END ARAS, (D) THE FILM EDGES OF SAID OPEN AREA BEING THICKENED, AND (E) THE OVERLAPPED FILM PORTIONS BEING HEAT SEALED TO EACH OTHER AT LEAST AT EACH END OF SAID PACKAGE.
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |