Patent US3428474A successfully refreshed from Google Patents.
US3428474A
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Method for forming ceramic metallic bonds
Assignee: Bausch and Lomb Inc
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Filing: 1964-06-24
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Granted: 1969-02-18
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Hensler
- 👤 Eugene C Letter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:46
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/52; C04B37/00; C04B37/02; C04B37/023; C04B37/026; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2235/658; C04B2235/6581; C04B2235/66; C04B2235/665; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/122; C04B2237/123; C04B2237/126; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/345; C04B2237/346; C04B2237/40; C04B2237/50; C04B2237/52; C04B2237/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2384578A
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US2586752A
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US2799600A
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US2953484A
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US3102828A
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US3192064A
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US3253331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |