Patent US3298212A successfully refreshed from Google Patents.
Patent US3149744A successfully refreshed from Google Patents.
US3149744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polygonal lightweight closure elements and assemblies
Assignee: American Flange and Manufacturing Co Inc
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Filing: 1962-11-05
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Granted: 1964-09-22
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Walter J Pentesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:33
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D39/00; B65D39/08; B65D39/082; B65D39/084; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0015; B65D2251/0068; B65D2251/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CONTAINER WALL OPENING NECK FORMATION COMPRISING A FIRST OUTWARDLY CURVED PORTION OF A SINGLE THICKNESS OF CONTAINER WALL MATERIAL EXTENDING UPWARDLY FROM SAID CONTAINER WALL AND A DOUBLED OVER SECOND PORTION FORMED AS AN EXTENSION OF SAID FIRST PORTION AND EXTENDING OUTWARDLY AND UPWARDLY FROM SAID CURVED PORTION IN FRUSTO CONICAL FORM AT AN ANGLE OF SUBSTANTIAL EXTENT WITH RESPECT TO THE AXIS OF SAID OPENING, SAID SECOND PORTION HAVING AN UPWARDLY AND OUTWARDLY EXTENDING FIRST PART, A ROUNDED UPPER END AND A SECOND PART EXTENDING DOWNWARDLY AND INWARDLY FROM SAID ROUNDED END, A SURFACE FORMED WITHIN THE CONFINES OF SAID FIRST OUTWARDLY CURVED PORTION HAVING A SLIGHT UPWARD AND OUTWARD INCLINE WITH RESPECT TO THE AXIS OF SAID OPENING AND HAVING A POLYGONAL CROSS-SECTIONAL CONFIGURATION WHEN VIEWED IN THE PLANE OF THE OPENING, SAID POLYGONAL SURFACE DIMINISHING FROM A MAXIMUM HEIGHT AT THE CORNERS TO A MINIMUM HEIGHT AT THE MIDPOINT BETWEEN THE CORNERS.
Claim 2
Dependent Claim
156 words
A CONTAINER WALL OPENING NECK FORMATION COMPRISING A FIRST OUTWARDLY CURVED PORTION OF A SINGLE THICKNESS OF CONTAINER WALL MATERIAL EXTENDING UPWARDLY FROM SAID CONTAINER WALL AND A DOUBLED OVER SECOND PORTION FORMED AS AN EXTENSION OF SAID FIRST PORTION AND EXTENDING OUTWARDLY AND UPWARDLY FROM SAID CURVED PORTION IN FRUSTO CONICAL FORM AT AN ANGLE OF SUBSTANTIAL EXTENT WITH RESPECT TO THE AXIS OF SAID OPENING, SAID SECOND PORTION HAVING AN UPWARDLY AND OUTWARDLY EXTENDING FIRST PART, A ROUNDED UPPER END AND A SECOND PART EXTENDING DOWNWARDLY AND INWARDLY FROM SAID ROUNDED END, A SURFACE FORMED WITHIN THE CONFINES OF SAID FIRST OUTWARDLY CURVED PORTION HAVING A SLIGHT UPWARD AND OUTWARD INCLINE WITH RESPECT TO THE AXIS OF SAID OPENING AND HAVING A POLYGONAL CROSS-SECTIONAL CONFIGURATION WHEN VIEWED IN THE PLANE OF THE OPENING, SAID POLYGONAL SURFACE DIMINISHING FROM A MAXIMUM HEIGHT AT THE CORNERS TO A MINIMUM HEIGHT AT THE MIDPOINT BETWEEN THE CORNERS.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |