US3134210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming blister packages
Assignee: WR Grace and Co
•
Filing: 1960-06-27
•
Granted: 1964-05-26
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:51
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/50; B65B11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A METHOD OF PACKAGING WHICH COMPRISES PLACING A FLAT SHEET OF HEAT SHRINKABLE FILM ON A SUPPORT HAVING A RECESS IN THE SURFACE THEREOF, PLACING A RELATIVELY THICK HEAT RESISTANT FORM HAVING VERTICALLY EXTEND SUBSTANTIALLY STRAIGHT SIDES ON THE EXTERIOR SURFACE OF SAID FILM IN ALIGMENT WITH SAID RECESS, FORCING SAID FORM AND FILM INTO SAID RECESS, APPLYING HEAT TO THE FILM WHILE SAID FORM REMAINS IN SAID RECESS CAUSING THE FILM TO SHRINK, EXCEPT FOR THE AREA IN CONTACT WITH THE FORM WHICH IS RESTRAINED BY THE FORM AND SHIELDED FROM THE HEAT, THEREBY CAUSING THE FILM TO RISE UP AGAINST, BUT NOT ABOVE, THE SIDES OF THE FORM THUS CONFORMING TO THE CONFUGURATION THEREOF AND FORMING A POCKET IN THE FILM ABOUT THE FORM, DISCONTINUING THE APPLICATION OF HEAT, REMOVING SAID FORM FROM SAID POCKET, PLACING AN OBJECT WHICH IS SUBSTANTIALLY SMALLER THAN SAID POCKET ON A SUPPORT, POSITIONING SAID POCKET OVER SAID OBJECT AND SECURING SAID FILM TO SAID SUPPORT.
Claim 2
Independent Claim
163 words
A METHOD OF PACKAGING WHICH COMPRISES PLACING A FLAT SHEET OF HEAT SHRINKABLE FILM ON A SUPPORT HAVING A RECESS IN THE SURFACE THEREOF, PLACING A RELATIVELY THICK HEAT RESISTANT FORM HAVING VERTICALLY EXTEND SUBSTANTIALLY STRAIGHT SIDES ON THE EXTERIOR SURFACE OF SAID FILM IN ALIGMENT WITH SAID RECESS, FORCING SAID FORM AND FILM INTO SAID RECESS, APPLYING HEAT TO THE FILM WHILE SAID FORM REMAINS IN SAID RECESS CAUSING THE FILM TO SHRINK, EXCEPT FOR THE AREA IN CONTACT WITH THE FORM WHICH IS RESTRAINED BY THE FORM AND SHIELDED FROM THE HEAT, THEREBY CAUSING THE FILM TO RISE UP AGAINST, BUT NOT ABOVE, THE SIDES OF THE FORM THUS CONFORMING TO THE CONFUGURATION THEREOF AND FORMING A POCKET IN THE FILM ABOUT THE FORM, DISCONTINUING THE APPLICATION OF HEAT, REMOVING SAID FORM FROM SAID POCKET, PLACING AN OBJECT WHICH IS SUBSTANTIALLY SMALLER THAN SAID POCKET ON A SUPPORT, POSITIONING SAID POCKET OVER SAID OBJECT AND SECURING SAID FILM TO SAID SUPPORT.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |