US3580731A
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US
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Method of treating the surface of a filament
Assignee: GEN TECHNOLOGIES CORP
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Filing: 1967-09-26
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Granted: 1971-05-25
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Expires: 1987-09-26
Abstract
Abstract THE METHOD OF INCREASING THE INTERLAMINAR SHEAR STRENGTH CAPABILITIES OF A MATERIAL TO BE BONDED TO ANOTHER MATERIAL BY GROWING INTEGRALLY-ATTACHED MONOCRYSTALLINE WHISKERS OUT FROM THE SURFACE OF THE FIRST MATERIAL BOTH TO ROUGHEN ITS SURFACE FOR BONDING TO A DEPOSITED MATRIX MATERIAL, OR TO A PLASTIC, AND TO CHANGE ITS SURFACE CHEMISTRY TO IMPROVE BONDING, FOR INSTANCE TO A RESIN. THE INVENTION INCLUDES THE REINFORCING A FIBEROUS STRUCTURES BY THE INTERTWINING OF WHISKERS GROWN ACROSS VOIDS THEREBETWEEN, AND FURTHER INCLUDES VARIOUS WHISKER-GROWN STRUCTURES PER SE.
Inventors
- 👤 John V Milewski
- 👤 James J Shyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:58
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B22; B22F; B22F3/00; B22F3/002; B29C70/20; B29C70/22; B22F2999/00; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/126; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/12; Y10T428/12424; Y10T428/12431; Y10T428/12438; Y10T428/12486; Y10T428/12493; Y10T428/12535; Y10T428/12625
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |