US3251509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamperproof container closure
Assignee: Clarcor Inc
•
Filing: 1964-11-20
•
Granted: 1966-05-17
•
Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 John A Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:49
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/12; B65D47/14; B65D47/141
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
169 words
A CONTAINER HAVING A TAMPERPROOF CLOSURE AND COMPRISING IN COMBINATION, A TOP WALL HAVING A DISPENSING OPENING THEREIN, A PLUG MOLDED OF RESILIENT PLASTIC AND HAVING A PERIPHERAL WALL TELESCOPED IN SAID OPENING FOR REMOVAL THEREFROM TO UNCOVER THE OPENING, A STRAP-LIKE ARM MOLDED INTEGRAL WITH SAID PLUG AND EXTENDING OUTWARDLY THEREFROM ALONG AND ADJACENT THE OUTER SURFACE OF SAID TOP WALL, AND MEANS ANCHORING THE OUTER END OF SAID ARM SECURELY TO SAID TOP WALL WHEREBY TO PREVENT REMOVAL OF SAID PLUG FROM SAID OPENING, SAID ARM BEING WEAKENED AT POINTS SPACED ALONG THE ARM TO DEFINE LINES FOR CROSS-TEARING OF THE ARM AND REMOVAL OF THE INTERVENING SECTION OF THE ARM WHEREBY TO FREE SAID PLUG FOR OPENING MOVEMENT AND LEAVE THE ANCHORED END OF THE ARM ATTACHED TO SAID TOP WALL, AND A PULL TAB MOLDED INTEGRAL WITH SAID ARM SECTION AND ADAPTED, WHEN PULLED AWAY FROM SAID TOP WALL TO TEAR SAID ARM ALONG SAID LINES AND REMOVE SAID SECTION AND TAB FROM SAID PLUG.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |