US3310225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resealable container closure from self-adherent chlorinated olefin polymer films
Assignee: Dow Chemical Co
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Filing: 1965-08-06
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Granted: 1967-03-21
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Louis D Hoblit
- 👤 Harold A Simms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:57
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/18; B65D33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
RECLOSABLE SEALING MEANS FOR CONTAINERS COMPRISING: INDIVIDUAL INHERENTLY FLEXIBLE, SELF-ADHERENT FILM STRIPS EACH OF WHICH IS PERMANENTLY ATTACHED TO AN EXTERNAL SURFACE OF SAID CONTAINER, SAID FILM STRIPS BEING FORMED FROM AN ESSENTIALLY LINEAR CHLORINATED OLEFIN POLYMER CONTAINING FROM ABOUT 25 TO ABOUT 50 WEIGHT PERCENT OF CHEMICALLY COMBINED CHLORINE, SAID FILM STRIPS BEING POSITIONED ON SAID CONTAINER SO THAT THE CONTAINER IS IN A CLOSED CONDITION WHEN THE EXPOSED SURFACES OF SAID FILM STRIPS ARE IN OVERLYING CONTACT.
Claim 2
Dependent Claim
79 words
RECLOSABLE SEALING MEANS FOR CONTAINERS COMPRISING: INDIVIDUAL INHERENTLY FLEXIBLE, SELF-ADHERENT FILM STRIPS EACH OF WHICH IS PERMANENTLY ATTACHED TO AN EXTERNAL SURFACE OF SAID CONTAINER, SAID FILM STRIPS BEING FORMED FROM AN ESSENTIALLY LINEAR CHLORINATED OLEFIN POLYMER CONTAINING FROM ABOUT 25 TO ABOUT 50 WEIGHT PERCENT OF CHEMICALLY COMBINED CHLORINE, SAID FILM STRIPS BEING POSITIONED ON SAID CONTAINER SO THAT THE CONTAINER IS IN A CLOSED CONDITION WHEN THE EXPOSED SURFACES OF SAID FILM STRIPS ARE IN OVERLYING CONTACT.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |