US3548345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazed dielectric-to-metal joints for slow-wave structure assemblies
Assignee: Raytheon Co
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Filing: 1969-04-15
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Granted: 1970-12-15
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Expires: 1989-04-15
Abstract
No abstract record available.
Inventors
- 👤 Louis R Falce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:48
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/26; C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/65; C04B2235/658; C04B2235/6582; C04B2235/6588; C04B2237/00; C04B2237/02; C04B2237/04; C04B2237/06; C04B2237/068; C04B2237/08; C04B2237/083; C04B2237/12; C04B2237/123; C04B2237/124; C04B2237/125; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/36; C04B2237/363; C04B2237/40; C04B2237/403; C04B2237/50; C04B2237/59; C04B2237/592; C04B2237/70; C04B2237/708; C04B2237/76; C04B2237/765; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016
Claims Analysis
Total Claims: 0
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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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |