US3302240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular nozzles for the extrusion of thermoplastic materials
Assignee: Kalle GmbH and Co KG
•
Filing: 1964-08-25
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Granted: 1967-02-07
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Loos Diether
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/325; B29C48/327; B29C48/03; B29C48/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AN ADJUSTABLE ANNULAR NOZZLE FOR USE IN THE EXTRUSION OF ANNULAR ARTICLES OF THERMOPLASTIC MATERIAL
Claim 2
Dependent Claim
15 words
AN ADJUSTABLE ANNULAR NOZZLE FOR USE IN THE EXTRUSION OF ANNULAR ARTICLES OF THERMOPLASTIC MATERIAL
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |