US3662915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper proof package
Assignee: Graham Packaging Plastic Products Inc
•
Filing: 1970-10-08
•
Granted: 1972-05-16
•
Expires: 1990-10-08
Abstract
Abstract A container structurally interrelated so as to provide tell-tale evidence if the container contents have been tampered with. A tab defined by a recess on the ID of a container is broken away when entry is made into the container. The container and its cover are made from brittle polymer plastic.
Inventors
- 👤 Howard L Destler Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:26
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D2401/00; B65D2401/10; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00518; B65D2543/00537; B65D2543/00546; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/0062; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/0074; B65D2543/00787; B65D2543/00796
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
83 words
A tamper proof package comprising a container and a cover of brittle polymer plastic, the inner periphery of said container having a circumferential groove, said cover having a bead projecting into said groove, said container having a recess on its inner peripheral surface, said recess interupting said groove and being deeper in radial direction than said groove, a portion of said bead projecting into said recess, and said recess defining a tab to be broken away when entry is made into the container.
Claim 2
Dependent Claim
83 words
A tamper proof package comprising a container and a cover of brittle polymer plastic, the inner periphery of said container having a circumferential groove, said cover having a bead projecting into said groove, said container having a recess on its inner peripheral surface, said recess interupting said groove and being deeper in radial direction than said groove, a portion of said bead projecting into said recess, and said recess defining a tab to be broken away when entry is made into the container.
Claim 3
Dependent Claim
32 words
A package in accordance with claim 1 wherein said container is circular, said cover including a round top wall having a cylindrical depending flange, said bead projecting radially outwardly from said flange.
Claim 4
Dependent Claim
17 words
A package in accordance with claim 2 wherein said container and cover are made from transparent polystyrene.
Claim 5
Dependent Claim
27 words
A package in accordance with claim 1 wherein the radial thickness of said tab is approximately one-third the radial thickness of a side wall of said container.
Claim 6
Dependent Claim
55 words
A package in accordance with claim 1 wherein said recess extends from an end face of said container, the circumferential length said recess being between 20 and 50 circular degrees, and said recess extending in an axial direction for a distance greater than the distance between said groove and an end face of said container.
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |