US5040695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tear off hinge
Assignee: FLAMBEAU AIRMOLD Corp
•
Filing: 1990-07-06
•
Granted: 1991-08-20
•
Expires: 2010-07-06
Abstract
Abstract A molded container includes body and cover portions and a hinge with a central thickened rib and relatively thin segments on either side of the rib. A means for initiating tear can be used to tear open the container along the hinge to provide quick access to the interior of the container.
Inventors
- 👤 Dwight V. Adams
- 👤 Donald S. Aikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/14; B65D43/16; B65D43/162; B65D17/00; B65D17/04; B65D55/00; B65D55/02; B65D55/024; B65D2251/00; B65D2251/10; B65D2251/1016; B65D2251/1058
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
74 words
A molded container comprising: a) a body portion; b) a cover portion; c) a hinge joining the body and cover portions; and d) said hinge comprising: i) a relatively thick rib along substantially the entire length of the hinge, ii) a relatively thin segment on each side of the rib, connecting the rib to the body and cover portions respectively, and iii) a means for initiating tearing, disposed at one end of the rib.
Claim 2
Dependent Claim
74 words
A molded container comprising: a) a body portion; b) a cover portion; c) a hinge joining the body and cover portions; and d) said hinge comprising: i) a relatively thick rib along substantially the entire length of the hinge, ii) a relatively thin segment on each side of the rib, connecting the rib to the body and cover portions respectively, and iii) a means for initiating tearing, disposed at one end of the rib.
Claim 3
Dependent Claim
11 words
The container of claim 1 wherein the container is blow molded.
Claim 4
Dependent Claim
15 words
The container of claim 2 wherein the container is a double walled blow molded container.
Claim 5
Dependent Claim
11 words
The container of claim 1 wherein the container is injection molded.
Claim 6
Dependent Claim
19 words
The container of claim 1 wherein the rib is at least two times thicker than either of the segments.
Claim 7
Dependent Claim
19 words
The container of claim 1 wherein the rib is at least three times thicker than either of the segments.
Claim 8
Dependent Claim
18 words
The container of claim 1 wherein the means for initiating tear is an integral extension of the rib.
Claim 9
Dependent Claim
22 words
The container of claim 1 wherein the means for initiating tear is a T-shaped tab disposed at one end of the rib.
References Cited (Backward Citations)
US2884155A
Cited
US3288278A
Cited
US3396836A
Cited
US3596822A
Cited
US3685645A
Cited
US4273249A
Cited
US4127189A
Cited
US4454958A
Cited
US4533052A
Cited
US4553692A
Cited
US4848649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |