Number | Date | Country | Kind |
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12778/78 | Dec 1978 | CHX | |
7708/79 | Aug 1979 | CHX |
This application is a continuation of my commonly assigned copending United States application Ser. No. 97,318, filed Nov. 26, 1979, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
2719187 | Pierce | Sep 1955 | |
2870259 | Norris | Jan 1959 | |
3332038 | Stanley et al. | Jul 1967 | |
3631486 | Anders et al. | Dec 1971 | |
3667055 | Uchida | May 1972 | |
3754192 | Palfreeman | Aug 1973 | |
3801919 | Wilkes et al. | Apr 1974 | |
4167737 | Freedman | Sep 1979 |
Number | Date | Country |
---|---|---|
832662 | Apr 1960 | GBX |
Entry |
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"Surface Wave Filters, Design, Construction, and Use" by Herbert Matthews, editor, A. Wiley-Interscience Publication, John Wiley & Sons, New York, London, Sydney, Toronto, pp. 340, 341. |
Number | Date | Country | |
---|---|---|---|
Parent | 97318 | Nov 1979 |