US3343331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cling packaging an object
Assignee: Individual
•
Filing: 1964-04-30
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Granted: 1967-09-26
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Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 David M French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:30
CPC Classifications
B; B65; B65B; B65B53/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A METHOD FOR CLING PACKAGING A RIGID OBJECT HAVING A FIXED SHAPE WITH A POLYMER FILM WHEREBY A SKIN TIGHT COVERING HAVING ESSENTIALLY NO SPACES OR POCKETS BETWEEN THE WRAPPING MATERIAL AND SAID OBJECT IS OBTAINED COMPRISING: (A) PLACING SAID OBJECT IN AN ATMOSPHERE OF A GAS HAVING A GREATER RATE OF DIFFUSION THROUGH SAID FILM THAN DOES OXYGEN OR NITROGEN, (B) ENCAPSULATING SAID OBJECT WITH SAID POLYMER FILM AND SEALING SAID OBJECT WHILE WITHIN SAID ATMOSPHERE SO AS TO ENTRAP A QUANTITY OF GAS ALONG WITH SAID OBJECT, (C) REMOVING THE PACKAGE SO FORMED FROM SAID GASEOUS ATMOSPHERE INTO A NORMAL AIR ATMOSPHERE, AND (D) ALLOWING THE ENTRAPPED GAS TO DIFFUSE THROUGH THE POLYMER FILM AT A RATE WHICH CAUSES THE FILM TO COLLAPSE TIGHTLY AROUND THE SAID ENCLOSED OBJECT WITHIN 24 HOURS, WHEREBY SAID TIGHTLY CLINGING WRAPPER CLOSELY CONFORMS TO THE SHAPES AND CONTOURS OF SAID ENCLOSED OBJECT.
Claim 2
Independent Claim
150 words
A METHOD FOR CLING PACKAGING A RIGID OBJECT HAVING A FIXED SHAPE WITH A POLYMER FILM WHEREBY A SKIN TIGHT COVERING HAVING ESSENTIALLY NO SPACES OR POCKETS BETWEEN THE WRAPPING MATERIAL AND SAID OBJECT IS OBTAINED COMPRISING: (A) PLACING SAID OBJECT IN AN ATMOSPHERE OF A GAS HAVING A GREATER RATE OF DIFFUSION THROUGH SAID FILM THAN DOES OXYGEN OR NITROGEN, (B) ENCAPSULATING SAID OBJECT WITH SAID POLYMER FILM AND SEALING SAID OBJECT WHILE WITHIN SAID ATMOSPHERE SO AS TO ENTRAP A QUANTITY OF GAS ALONG WITH SAID OBJECT, (C) REMOVING THE PACKAGE SO FORMED FROM SAID GASEOUS ATMOSPHERE INTO A NORMAL AIR ATMOSPHERE, AND (D) ALLOWING THE ENTRAPPED GAS TO DIFFUSE THROUGH THE POLYMER FILM AT A RATE WHICH CAUSES THE FILM TO COLLAPSE TIGHTLY AROUND THE SAID ENCLOSED OBJECT WITHIN 24 HOURS, WHEREBY SAID TIGHTLY CLINGING WRAPPER CLOSELY CONFORMS TO THE SHAPES AND CONTOURS OF SAID ENCLOSED OBJECT.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |