US3217871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peelable seal package
Assignee: Acme Backing Corp
•
Filing: 1963-05-06
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Granted: 1965-11-16
•
Expires: 1983-05-06
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.
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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) | 1968-11-15 | 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 |