US2712155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bead control apparatus for sheet extruders
Assignee: Akzo Nobel UK PLC
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Filing: 1953-08-31
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Granted: 1955-07-05
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Seddon C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:15
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/305; B29C48/03; B29C48/07; B29C48/08; B29C48/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN EXTRUSION NOZZLE ASSEMBLY FOR FORMING SHEETLIKE MATERIAL COMPRISES A RELATIVELY FIXED NOZZLE BLADE, AN ADJUSTABLE NOZZLE BLADE SECURED IN CLOSE SPACED RELATION TO SAID FIXED BLADE AND FORMING AN EXTRUSION SLOT THEREBETWEEN, WALLS DEFINING A KERF ADJACENT THE TERMINUS OF SAID ADJUSTABLE BLADE, AND MEANS FOR FLEXING THE
Claim 2
Dependent Claim
49 words
AN EXTRUSION NOZZLE ASSEMBLY FOR FORMING SHEETLIKE MATERIAL COMPRISES A RELATIVELY FIXED NOZZLE BLADE, AN ADJUSTABLE NOZZLE BLADE SECURED IN CLOSE SPACED RELATION TO SAID FIXED BLADE AND FORMING AN EXTRUSION SLOT THEREBETWEEN, WALLS DEFINING A KERF ADJACENT THE TERMINUS OF SAID ADJUSTABLE BLADE, AND MEANS FOR FLEXING THE
References Cited (Backward Citations)
US2083557A
Cited
US2300211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |