US3614852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrink packaging
Assignee: WR Grace and Co
•
Filing: 1967-05-09
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Granted: 1971-10-26
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Expires: 1987-05-09
Abstract
Abstract THE INVENTION RELATES TO THE USE IN SHRINK PACKAGING OF A MODERATELY ORINETED FILM OR A VINYL CHLORIDE POLYMER WHICH HAS A SHRINKAGE OF AT MOST 35% AT 100*C. IN BOTH DIRECTIONS AND A SHRINK TENSION LESS THAN 10.5 KG/CM.2.
Inventors
- 👤 Konrad Buob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; B; B29; B29C; B29C61/00; B29C61/003; B65; B65D; B65D65/00; B65D65/38; B65D75/00; B29K; B29K2027/00; B29K2027/06; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |