US3170619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear strip packaging
Assignee: Dow Chemical Co
•
Filing: 1961-10-05
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Granted: 1965-02-23
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Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 John P Repko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:54
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5805; B65D77/00; B65D77/22; B65D77/30; B65D77/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PACKAGE OF SEALED STRETCHABLE FILM AND A TEAR TAPE THEREFOR, SAID TAPE BEING SEALED TO SAID FILM AND HAVING A GREATER RESISTANCE TO TEARING THAN THE FILM SEALED THERETO, SAID TAPE HAVING CORRUGATIONS FORMED THEREIN, SAID CORRUGATIONS HAVING AT LEAST A COMPONENT EXTENDING TRANSVERSELY AT LEAST UP TO LINE OF JUNCTURE OF THE UNSEALED FILM WITH THE SEAL TO THE PUCKER THE FILM AT SAID LINE OF JUNCTURE, WHEREBY, WHEN SAID FILM IS RUPTURED BY A PULL AT THE LOCATION OF THE TAPE, THE RUPTURE FOLLOWS THE SAID LINE OF JUNCTURE.
Claim 2
Dependent Claim
92 words
A PACKAGE OF SEALED STRETCHABLE FILM AND A TEAR TAPE THEREFOR, SAID TAPE BEING SEALED TO SAID FILM AND HAVING A GREATER RESISTANCE TO TEARING THAN THE FILM SEALED THERETO, SAID TAPE HAVING CORRUGATIONS FORMED THEREIN, SAID CORRUGATIONS HAVING AT LEAST A COMPONENT EXTENDING TRANSVERSELY AT LEAST UP TO LINE OF JUNCTURE OF THE UNSEALED FILM WITH THE SEAL TO THE PUCKER THE FILM AT SAID LINE OF JUNCTURE, WHEREBY, WHEN SAID FILM IS RUPTURED BY A PULL AT THE LOCATION OF THE TAPE, THE RUPTURE FOLLOWS THE SAID LINE OF JUNCTURE.
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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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |