US3556914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite metal fiber and plastic structures and method of producing the same
Assignee: PATENTS Inc OF ILLINOIS, University of
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Filing: 1967-05-09
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Granted: 1971-01-19
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Expires: 1987-05-09
Abstract
Abstract A COMPOSITE METAL FIBER-PLASTIC STRUCTURE WHEREIN THE METAL FIBER IS ANODIZED, COLOR COATED METAL, PARTICULARLY ALUMINUM. THE FIBERS THEMSELVES ARE COMPOSITE SANDWICH MEMBERS HAVING EX POSED METAL ON ALL FOUR SIDES THEREOF. SUCH COMPOSITE FIBERS ARE FELTED AND NON-METALLURGICALLY BONDED AFTER WHICH THE INTERSTICES MAY BE FILLED WITH PLASTIC TO FORM A NON-POROUS STRUCTURE OR THE PORES MAY BE LEFT UNFILLED TO PROVIDE A POROUS, PLASTIC BONDED SKELETON. RIGID OR FLEXIBLE SHEET MATERIALS MAY BE READILY MADE.
Inventors
- 👤 Appy Juras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |