US3166234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic container with plait formed pull tab
Assignee: Lily Tulip Cup Corp
•
Filing: 1961-04-10
•
Granted: 1965-01-19
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Stephen W Amberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:43
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/20; B65D77/2024; B65D77/2028; B65D77/2032; B65D77/2044; B65D77/2048; B65D77/2056; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2041; B65D2577/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A PLASTIC CONTAINER COMPRISING A RECEPTACLE HAVING AN INTEGRAL PERIPHERAL RIM BOTH FORMED OF A PLASTIC AND A COVER OVERLYING THE OPEN END OF SAID RECEPTACLE AND FORMED OF A TOUGH, TEAR RESISTANT PLASTIC, SAID COVER BEING FOLDED BACK UPON ITSELF ALONG PARALLEL CREASE LINES TO FORM A MANUALLY ENGAGEABLE PLAIT EXTENDING ACROSS THE OPEN END OF SAID RECEPTACLE, THE LOWER SURFACE OF THE MARGIN OF SAID COVER BEING SEVERABLY ADHERED TO THE UPPER SURFACE OF THE RIM OF SAID RECEPTACLE AND THE FACING SURFACES OF SAID PLAIT BEING SECURED TO ONE ANOTHER AT THE MARGINAL ENDS THEREOF OVERLYING SAID RIM, SAID PLAIT EXTENDING ACROSS SAID RECEPTACLE TO ITS OPEN END INCLUDING SAID RIM FLANGE AND BEING FREE TO PIVOT ABOUT ITS JUNCTURE WITH SAID COVER, THE FOLDS OF SAID PLAIT AT SAID PIVOTAL JUNCTURE BEING SUBSTANTIALLY STRONGER THAN THE SEVERABLE ADHERENCE BETWEEN SAID COVER AND THE UPPER FACE OF SAID RIM FLANGE, WHEREBY A TENSION FORCE EXERTED ON SAID PLAIT PEELS THE COVER FROM THE RIM FLANGE WHILE LEAVING SAID PLAIT ATTACHED TO SAID COVER.
Claim 2
Dependent Claim
176 words
A PLASTIC CONTAINER COMPRISING A RECEPTACLE HAVING AN INTEGRAL PERIPHERAL RIM BOTH FORMED OF A PLASTIC AND A COVER OVERLYING THE OPEN END OF SAID RECEPTACLE AND FORMED OF A TOUGH, TEAR RESISTANT PLASTIC, SAID COVER BEING FOLDED BACK UPON ITSELF ALONG PARALLEL CREASE LINES TO FORM A MANUALLY ENGAGEABLE PLAIT EXTENDING ACROSS THE OPEN END OF SAID RECEPTACLE, THE LOWER SURFACE OF THE MARGIN OF SAID COVER BEING SEVERABLY ADHERED TO THE UPPER SURFACE OF THE RIM OF SAID RECEPTACLE AND THE FACING SURFACES OF SAID PLAIT BEING SECURED TO ONE ANOTHER AT THE MARGINAL ENDS THEREOF OVERLYING SAID RIM, SAID PLAIT EXTENDING ACROSS SAID RECEPTACLE TO ITS OPEN END INCLUDING SAID RIM FLANGE AND BEING FREE TO PIVOT ABOUT ITS JUNCTURE WITH SAID COVER, THE FOLDS OF SAID PLAIT AT SAID PIVOTAL JUNCTURE BEING SUBSTANTIALLY STRONGER THAN THE SEVERABLE ADHERENCE BETWEEN SAID COVER AND THE UPPER FACE OF SAID RIM FLANGE, WHEREBY A TENSION FORCE EXERTED ON SAID PLAIT PEELS THE COVER FROM THE RIM FLANGE WHILE LEAVING SAID PLAIT ATTACHED TO SAID COVER.
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |