US3276665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear strip containers
Assignee: Waldorf Paper Products Co
•
Filing: 1965-05-28
•
Granted: 1966-10-04
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Walter H Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:30
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/5445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A TEAR STRIP CONTAINER BLANK COMPRISING A SHEET OF CORRUGATED PAPERBOARD INCLUDING AN OUTER LINER ADAPTED TO FORM THE OUTER SURFACE OF THE CONTAINER, A CORRUGATED MEDIUM, A PAIR OF INNER LINERS OVERLYING THE SIDE OF SAID CORRUGATED MEDIUM OPPOSITE SAID OUTER LINER, SAID INNER LINERS HAVING OVERLAPPING EDGES EXTENDING ACROSS SAID SHEET AT RIGHT ANGLES TO THE FLUTES OF THE CORRUGATED MEDIUM, MEANS ADHERING THE INNER AND OUTER LINERS IN FACE CONTACT WITH SAID CORRUGATED MEDIUM, ADHESIVE MEANS ADHERING THE OVERLAPPING EDGES OF SAID INNER LINERS IN FACE CONTACT, AND PARALLEL SIDE-BY-SIDE WEAKENED LINES OF SEPARATION EXTENDING THROUGH SAID INNER LINERS NEAR OPPOSITE LONGITUDINAL EDGES OF SAID OVERLAPPING EDGE AND DEFINING A TWO-PLY INNER STRIP THEREBETWEEN.
Claim 2
Dependent Claim
117 words
A TEAR STRIP CONTAINER BLANK COMPRISING A SHEET OF CORRUGATED PAPERBOARD INCLUDING AN OUTER LINER ADAPTED TO FORM THE OUTER SURFACE OF THE CONTAINER, A CORRUGATED MEDIUM, A PAIR OF INNER LINERS OVERLYING THE SIDE OF SAID CORRUGATED MEDIUM OPPOSITE SAID OUTER LINER, SAID INNER LINERS HAVING OVERLAPPING EDGES EXTENDING ACROSS SAID SHEET AT RIGHT ANGLES TO THE FLUTES OF THE CORRUGATED MEDIUM, MEANS ADHERING THE INNER AND OUTER LINERS IN FACE CONTACT WITH SAID CORRUGATED MEDIUM, ADHESIVE MEANS ADHERING THE OVERLAPPING EDGES OF SAID INNER LINERS IN FACE CONTACT, AND PARALLEL SIDE-BY-SIDE WEAKENED LINES OF SEPARATION EXTENDING THROUGH SAID INNER LINERS NEAR OPPOSITE LONGITUDINAL EDGES OF SAID OVERLAPPING EDGE AND DEFINING A TWO-PLY INNER STRIP THEREBETWEEN.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |