US3207417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear strip carton
Assignee: Waldorf Paper Products Co
•
Filing: 1963-06-11
•
Granted: 1965-09-21
•
Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Russell J Hennessey
- 👤 Jerome F Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CARTON TEAR STRIP FOR USE IN A PAPERBOARD CARTON THE TEAR STRIP INCLUDING A PAIR OF SUBSTANTIALLY PARALLEL WEAKENED LINES OF SEPARATION, AND MEANS OF STRENGTHENIN THE TEAR STRIP AREA COMPRISING A PAIR OF BEADS OF THERMOPLASTIC ADHESIVE MATERIAL EXTENDING IN SPACED PARALLEL RELATION LONGITUDINALLY OF SAID TEAR STRIP AND BETWEEN SAID WEAKENED LINES, SAID WEAKENED LINES COMPRISING PERFORATIONS, AND A RELATIVELY THIN COATING OF SAID THERMOPLASTIC ADHESIVE MATERIAL UNDERLYING THE AREA OF SAID WEAKENED LINES.
Claim 2
Dependent Claim
77 words
A CARTON TEAR STRIP FOR USE IN A PAPERBOARD CARTON THE TEAR STRIP INCLUDING A PAIR OF SUBSTANTIALLY PARALLEL WEAKENED LINES OF SEPARATION, AND MEANS OF STRENGTHENIN THE TEAR STRIP AREA COMPRISING A PAIR OF BEADS OF THERMOPLASTIC ADHESIVE MATERIAL EXTENDING IN SPACED PARALLEL RELATION LONGITUDINALLY OF SAID TEAR STRIP AND BETWEEN SAID WEAKENED LINES, SAID WEAKENED LINES COMPRISING PERFORATIONS, AND A RELATIVELY THIN COATING OF SAID THERMOPLASTIC ADHESIVE MATERIAL UNDERLYING THE AREA OF SAID WEAKENED LINES.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |