Patent US3003223A successfully refreshed from Google Patents.
US3003223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal core composite filaments
Assignee: EIDP Inc
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Filing: 1957-03-25
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Granted: 1961-10-10
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Breen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
D; D01; D01F; D01F8/00; D01D; D01D5/00; D01D5/08; D01D5/28; D01D5/30; D01D5/34; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2933; Y10T428/2935; Y10T428/294
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A SHAPED ARTICLE COMPRISING A METAL CORE AND AN ADHERENT ORIENTED POLYMER SHEATH DISPOSED ABOUT SAID CORE, SAID METAL CORE HAVING A MELTING POINT BELOW THE TEMPERATURE AT WHICH THE POLYMER FOR THE SHEATH BECOMES UNSTABLE.
Claim 2
Dependent Claim
36 words
A SHAPED ARTICLE COMPRISING A METAL CORE AND AN ADHERENT ORIENTED POLYMER SHEATH DISPOSED ABOUT SAID CORE, SAID METAL CORE HAVING A MELTING POINT BELOW THE TEMPERATURE AT WHICH THE POLYMER FOR THE SHEATH BECOMES UNSTABLE.
References Cited (Backward Citations)
US1370800A
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US2174912A
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US2308638A
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US2365375A
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US2389379A
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US2674025A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |