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US3217871A Expired / Lapsed US ⏱️ 0.0 years remaining

Peelable seal package

Assignee: Acme Backing Corp
•
Filing: 1963-05-06
•
Granted: 1965-11-16
•
Expires: 1983-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:00
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/52; B65D75/58; B65D75/5855

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 209 words
A PACKAGE FOR AN OBJECT COMPRISING A PAIR OF OPPOSED SHEETS FOR ENCLOSING THE OBJECT THEREBETWEEN WITH PERIPHERAL PORTIONS OF SAID SHEETS EXTENDING BEYOND THE EDGES OF SAID OBJECT, AND BONDING MEANS FOR SECURING THE OPPOSED MARGINAL PORTIONS OF SAID SHEETS ABOUT THE PERIPHERY THEREOF, SAID BONDING MEANS COMPRISING A PAIR OF OPPOSED THERMORESPONISIVE COATINGS APPLIED TO AT LEAST THE MARGINAL PORTIONS OF THE RESPECTIVE SHEETS, AT LEAST ONE OF SAID COATINGS BEING DISCONTINUOUS TO EXPOSE CLOSELY SPACED SMALL SURFACE PORTIONS OF THE SHEET BEARING SAID ONE COATING, THE COATING ON THE OTHER OF SAID SHEETS HAVING SPACED PORTIONS THEREOF ADHERENT TO THE EXPOSED SURFACE PORTIONS OF SAID FIRST MENTIONED SHEET, THE OPPOSED CONTACTING PORTIONS OF SAID COATINGS BEING IN NON-ADHERENT RELATION TO EACH OTHER OVER A WIDE RANGE OF TEMPERATURES THE SPACING OF THE ADHERENT AREAS OF SAID SHEETS PROVIDING A SEAL RESISTANT TO DELAMINATION BY FORCES APPLIED IN THE PLANE OF THE SEAL AREAS YET PERMITTING SAID SHEETS TO BE DELAMINATED AND PROGRESSIVELY SEPARATED FROM EACH OTHER TO EXPOSE THE ENCLOSED OBJECT UPON DISPLACING OPPOSED PORTIONS OF SAID SHEETS AWAY FROM EACH OTHER AND PEELING SAID DISPLACED SHEET PORTIONS AWAY FROM EACH OTHER AND IN DIRECTIONS AT RIGHT ANGLES TO THE PLANE OF THE BONDED SHEET PORTIONS.
Claim 2
Dependent Claim 209 words
A PACKAGE FOR AN OBJECT COMPRISING A PAIR OF OPPOSED SHEETS FOR ENCLOSING THE OBJECT THEREBETWEEN WITH PERIPHERAL PORTIONS OF SAID SHEETS EXTENDING BEYOND THE EDGES OF SAID OBJECT, AND BONDING MEANS FOR SECURING THE OPPOSED MARGINAL PORTIONS OF SAID SHEETS ABOUT THE PERIPHERY THEREOF, SAID BONDING MEANS COMPRISING A PAIR OF OPPOSED THERMORESPONISIVE COATINGS APPLIED TO AT LEAST THE MARGINAL PORTIONS OF THE RESPECTIVE SHEETS, AT LEAST ONE OF SAID COATINGS BEING DISCONTINUOUS TO EXPOSE CLOSELY SPACED SMALL SURFACE PORTIONS OF THE SHEET BEARING SAID ONE COATING, THE COATING ON THE OTHER OF SAID SHEETS HAVING SPACED PORTIONS THEREOF ADHERENT TO THE EXPOSED SURFACE PORTIONS OF SAID FIRST MENTIONED SHEET, THE OPPOSED CONTACTING PORTIONS OF SAID COATINGS BEING IN NON-ADHERENT RELATION TO EACH OTHER OVER A WIDE RANGE OF TEMPERATURES THE SPACING OF THE ADHERENT AREAS OF SAID SHEETS PROVIDING A SEAL RESISTANT TO DELAMINATION BY FORCES APPLIED IN THE PLANE OF THE SEAL AREAS YET PERMITTING SAID SHEETS TO BE DELAMINATED AND PROGRESSIVELY SEPARATED FROM EACH OTHER TO EXPOSE THE ENCLOSED OBJECT UPON DISPLACING OPPOSED PORTIONS OF SAID SHEETS AWAY FROM EACH OTHER AND PEELING SAID DISPLACED SHEET PORTIONS AWAY FROM EACH OTHER AND IN DIRECTIONS AT RIGHT ANGLES TO THE PLANE OF THE BONDED SHEET PORTIONS.

References Cited (Backward Citations)

US2071921A Cited
US2133946A Cited
US2122480A Cited
US2330666A Cited
US2676702A Cited
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US3001689A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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