Patent US3461557A successfully refreshed from Google Patents.
US2837236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Re-usable container with disposable cover
Assignee: Individual
•
Filing: 1954-03-03
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Granted: 1958-06-03
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Betner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D51/185; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0031; B65D2251/0068; B65D2251/0081; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2075; B65D2577/2083; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A CONTAINER COMPRISING A PRE-FORMED BODY OF SEMIRIGID PLASTIC MATERIAL SUCH AS POLYETHYLENE OR ONE OF ITS DERIVATIVES, SAID BODY HAVING AT ITS OPEN END AN INTEGRAL PERIPHERAL BEAD AND HAVING BELOW SAID OPEN AN OUTWARDLY EXTENDING PERIPHERAL FLANGE, A RE-USABLE COVER HAVING A SIDE WALL EXTENDING EXTERNALLY OF THE CONTAINER BODY BELOW SAID BODY BEAD AND TOWARD SAID BODY FLANGE, SAID RE-USABLE COVER HAVING A FLANGE EXTENDING DOWNWARDLY AND INWARDLY OF THE CONTAINER BODY, THE ADJACENT FACES OF SAID COVER FLANGE AND SAID COVER SIDE WALL DEFINING A COVER GROOVE HAVING A PERIPHERAL SNAP FIT WITH SAID BEAD OF THE BODY TO LOCK THE COVER THERETO, AND A SECOND, DISPOSABLE COVER OVERLYING SAID RE-USABLE COVER AND HAVING A FLANGE HEAT-SEALED TO SAID BODY FLANGE TO FORM A HERMETIC SEAL, SAID BEAD OF THE BODY AND SAID COOPERATING GROOVE OF THE RE-USABLE COVER RELIEVING SAID HERMETIC SEAL PROVIDED BY THE HEAT-SEALED FLANGES OF SAID DISPOSABLE COVER AND OF SAID BODY, FROM MECHANICAL STRAINS INCIDENT TO HANDLING OF THE CONTAINER.
Claim 2
Dependent Claim
169 words
A CONTAINER COMPRISING A PRE-FORMED BODY OF SEMIRIGID PLASTIC MATERIAL SUCH AS POLYETHYLENE OR ONE OF ITS DERIVATIVES, SAID BODY HAVING AT ITS OPEN END AN INTEGRAL PERIPHERAL BEAD AND HAVING BELOW SAID OPEN AN OUTWARDLY EXTENDING PERIPHERAL FLANGE, A RE-USABLE COVER HAVING A SIDE WALL EXTENDING EXTERNALLY OF THE CONTAINER BODY BELOW SAID BODY BEAD AND TOWARD SAID BODY FLANGE, SAID RE-USABLE COVER HAVING A FLANGE EXTENDING DOWNWARDLY AND INWARDLY OF THE CONTAINER BODY, THE ADJACENT FACES OF SAID COVER FLANGE AND SAID COVER SIDE WALL DEFINING A COVER GROOVE HAVING A PERIPHERAL SNAP FIT WITH SAID BEAD OF THE BODY TO LOCK THE COVER THERETO, AND A SECOND, DISPOSABLE COVER OVERLYING SAID RE-USABLE COVER AND HAVING A FLANGE HEAT-SEALED TO SAID BODY FLANGE TO FORM A HERMETIC SEAL, SAID BEAD OF THE BODY AND SAID COOPERATING GROOVE OF THE RE-USABLE COVER RELIEVING SAID HERMETIC SEAL PROVIDED BY THE HEAT-SEALED FLANGES OF SAID DISPOSABLE COVER AND OF SAID BODY, FROM MECHANICAL STRAINS INCIDENT TO HANDLING OF THE CONTAINER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |