US3072962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film extrusion nozzle
Assignee: Akzo Nobel UK PLC
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Filing: 1960-06-20
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Granted: 1963-01-15
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Henry J Mcdermott
- 👤 Koppehele Hugo Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/305; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF MAKING A SHEET HAVING ENLARGED BEADS ALONG OPPOSITE LONGITUDINAL EDGES THEREOF INCLUDING THE STEPS OF SHAPING A FLOWABLE FILM-FORMING MATERIAL INTO TWO INDEPENDENT STREAMS OF DESIRED CROSS SECTION, CONCOMITANTLY AND INDEPENDENTLY SHAPING A FLOWABLE FILMFORMING MATERIAL INTO A WEB OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS WIDTH AND OF LESS THICKNESS THAN THE SHAPED STREAMS OF FILM-FORMING MATERIAL, ENGAGING THE SHAPED STREAMS OF FILM-FORMING MATERIAL WITH THE LONGITUDINAL EDGES OF THE WEB, AND SETTING THE SAME IN THEIR ENGAGED POSITIONS TO PROVIDE A UNITARY SHEET HAVING BEADED LONGITUDINAL EDGES.
Claim 2
Independent Claim
92 words
A METHOD OF MAKING A SHEET HAVING ENLARGED BEADS ALONG OPPOSITE LONGITUDINAL EDGES THEREOF INCLUDING THE STEPS OF SHAPING A FLOWABLE FILM-FORMING MATERIAL INTO TWO INDEPENDENT STREAMS OF DESIRED CROSS SECTION, CONCOMITANTLY AND INDEPENDENTLY SHAPING A FLOWABLE FILMFORMING MATERIAL INTO A WEB OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS WIDTH AND OF LESS THICKNESS THAN THE SHAPED STREAMS OF FILM-FORMING MATERIAL, ENGAGING THE SHAPED STREAMS OF FILM-FORMING MATERIAL WITH THE LONGITUDINAL EDGES OF THE WEB, AND SETTING THE SAME IN THEIR ENGAGED POSITIONS TO PROVIDE A UNITARY SHEET HAVING BEADED LONGITUDINAL EDGES.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |