Patent US3267635A successfully refreshed from Google Patents.
US3267635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging film
Assignee: Goodyear Tire and Rubber Co
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Filing: 1964-02-17
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Granted: 1966-08-23
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl B Stoker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:42
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C51/225; B29C51/10; B29C61/00; B29C61/06; B29C61/0608; B65; B65B; B65B53/00; B65B53/02; B29L; B29L2007/00; B29L2007/001; B29L2007/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
THE PROCESS OF FORMING A PACKAGE, USING TRANSPARENT THERMOSHRINKABLE FILM HAVING DIFFERENT AREAS OF THE FILM OVER SUBSTANTIALLY THE WHOLE OF THE FILM AREA BEING STRETECHED RELATIVELY MORE THAN ADJACENT AREAS TO FORM IRREGULARITIES OF A CONCAVO-CONVEX NATURE, THE STRETCHED AREAS EXTENDING INTO A DIFFERENT PLANE FROM THE RELATIVELY UNSTRETCHED AREAS, WHICH PROCESS COMPRISES ENCLOSING THE MATERIAL TO BE PACKAGED IN THE FILM WITH SAID UNSTRETCHED AREA ADJACENT THE MATERIAL TO BE PACKAGED AND FORMING AN ENCLOSURE THEREABOUT WHICH IS GREATER IN AREA THAN THE SURFACE AREA OF SAID MATERIAL BY SUBSTANTIALLY THE AMOUNT THAT THE FILM AREA IS INCREASED BY VIRTUE OF CERTAIN AREAS HAVING BEEN STRETCHED, AND THEN HEATING THE FILM AND THEREBY CAUSING THE STRETCHED AREAS OF THE FILM TO CONTRACT TOWARD THE MATERIAL TO BE PACKAGED WHEREBY THE FILM FORMS A TIGHTER ENCLOSURE ABOUT THE MATERIAL TO BE PACKAGED.
Claim 2
Dependent Claim
143 words
THE PROCESS OF FORMING A PACKAGE, USING TRANSPARENT THERMOSHRINKABLE FILM HAVING DIFFERENT AREAS OF THE FILM OVER SUBSTANTIALLY THE WHOLE OF THE FILM AREA BEING STRETECHED RELATIVELY MORE THAN ADJACENT AREAS TO FORM IRREGULARITIES OF A CONCAVO-CONVEX NATURE, THE STRETCHED AREAS EXTENDING INTO A DIFFERENT PLANE FROM THE RELATIVELY UNSTRETCHED AREAS, WHICH PROCESS COMPRISES ENCLOSING THE MATERIAL TO BE PACKAGED IN THE FILM WITH SAID UNSTRETCHED AREA ADJACENT THE MATERIAL TO BE PACKAGED AND FORMING AN ENCLOSURE THEREABOUT WHICH IS GREATER IN AREA THAN THE SURFACE AREA OF SAID MATERIAL BY SUBSTANTIALLY THE AMOUNT THAT THE FILM AREA IS INCREASED BY VIRTUE OF CERTAIN AREAS HAVING BEEN STRETCHED, AND THEN HEATING THE FILM AND THEREBY CAUSING THE STRETCHED AREAS OF THE FILM TO CONTRACT TOWARD THE MATERIAL TO BE PACKAGED WHEREBY THE FILM FORMS A TIGHTER ENCLOSURE ABOUT THE MATERIAL TO BE PACKAGED.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |