US3175752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Package tearing means
Assignee: Union Carbide Corp
•
Filing: 1963-05-03
•
Granted: 1965-03-30
•
Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 George C Stabenow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:38
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833; B65D75/5838; B65D75/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
IN A PACKAGING MEANS, SHEET MATERIAL OF SHRUNK AXIALLY ORIENTED THERMOPLASTIC FILM OVERWRAPPING SAID PACKAGE, TEARING MEANS FOR OPENING SAID PACKAGE COMPRISING, A CUT HAVING SPACED OPPOSING ENDS IN SAID FILM, AND A STRIP OF PRESSURE SENSITIVE TAPE OVERLYING SAID CUT WHEREBY PULLING OF SAID PRESSURE SENSITIVE TAPE IN A DIRECTION OF AXIAL ORIENTATION OF THE FILM PRODUCES A PAIR OF PARALLEL EXTENDED TEARS IN SAID FILM.
References Cited (Backward Citations)
US2175430A
Cited
GB625351A
Cited
US2554137A
Cited
US2554160A
Cited
US2739512A
Cited
US3002674A
Cited
US3098601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |