US3248000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic container
Assignee: Continental Can Co Inc
•
Filing: 1963-08-30
•
Granted: 1966-04-26
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Randolph D Lurie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:17
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/26; B29C51/30; B29C51/32; B29C51/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A DRAWN PLASTIC ARTICLE OF THE TYPE INCLUDING A TUBULAR WALL INTEGRALLY JOINED BY AN ARCUATE PORTION OF SMALL RADIUS TO A FLANGE, THE FLANGE HAVING A FIRST SURFACE A SECOND OPPOSITE SURFACE AND A PREDETERMINED THICKNESS, THE IMPROVEMENT COMPRISING COINED GROOVE MEANS GENERALLY AT THE JUNCTURE OF THE ARCUATE PORTION AND THE FLANGE FORMING AN INTEGRAL PART OF AT LEAST ONE OF SAID SURFACES OF SAID FLANGE, AND SAID COINED GROOVE MEANS ESTABLISHING COMPRESSIVE FORCES IN SAID AT LEAST ONE SURFACE OF SAID FLANGE WHICH BALANCE TENSILE FORCES IN THE OTHER OF SAID SURFACES OF SAID FLANGES THEREBY NEUTRALIZING THE FLANGE TO PREVENT DISTORTION THEREOF.
Claim 2
Dependent Claim
106 words
A DRAWN PLASTIC ARTICLE OF THE TYPE INCLUDING A TUBULAR WALL INTEGRALLY JOINED BY AN ARCUATE PORTION OF SMALL RADIUS TO A FLANGE, THE FLANGE HAVING A FIRST SURFACE A SECOND OPPOSITE SURFACE AND A PREDETERMINED THICKNESS, THE IMPROVEMENT COMPRISING COINED GROOVE MEANS GENERALLY AT THE JUNCTURE OF THE ARCUATE PORTION AND THE FLANGE FORMING AN INTEGRAL PART OF AT LEAST ONE OF SAID SURFACES OF SAID FLANGE, AND SAID COINED GROOVE MEANS ESTABLISHING COMPRESSIVE FORCES IN SAID AT LEAST ONE SURFACE OF SAID FLANGE WHICH BALANCE TENSILE FORCES IN THE OTHER OF SAID SURFACES OF SAID FLANGES THEREBY NEUTRALIZING THE FLANGE TO PREVENT DISTORTION THEREOF.
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |