US2595216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinnerets coated by metal evaporation
Assignee: EIDP Inc
•
Filing: 1948-06-05
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Granted: 1952-05-06
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Expires: 1968-06-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Anderson Pace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:02
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
A M ETALLIC SPINNERET, THE SURFACE AND ORIFICE WALLS OF WHICH ARE COATED WITH CHROMIUM.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |