US3700547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding process for polyphenylene oxidedielectric microwave circuits and bonded assembly
Assignee: United States Department of the Army
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Filing: 1970-10-20
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Granted: 1972-10-24
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Expires: 1990-10-20
Abstract
Abstract MICROWAVE STRIPLINES ARE FORMED BY INTIMATELY BONDING CIRCUIT PLANES TO POLYPHENYLENE OXIDE SHIELD PLANES BY USE OF HEAT AND PRESSURE IN COMBINATION WITH AN INTERFACE BONDING MATERIAL COMPRISED OF A POLYMERIC RESIN COMPOSED OF A RANDOM COPOLYMER PRODUCT OF COPOLYMERIZATION OF ETHYLENE AND ACRYLIC ACID.
Inventors
- 👤 Homer E Satterfield
- 👤 Keith D Stottlemyer
- 👤 David L Brown
- 👤 Leslie Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:04
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/085; B; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1403; B29C65/1425; B29C66/00; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0237; H05K1/024; H05K3/00; H05K3/46; H05K3/4644; H05K3/4652; H05K3/4655; H05K2201/00; H05K2201/01; H05K2201/0183; H05K2201/0195; H05K2201/07; H05K2201/0707; H05K2201/0715; H05K3/38; H05K3/386; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
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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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |