US3367766A
Expired / Lapsed
US
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Preparation of brittle inorganic polycrystalline powders by shock-wave techniques
Assignee: EIDP Inc
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Filing: 1965-06-16
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Granted: 1968-02-06
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Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Barrington Jonathan
- 👤 Oswald R Bergmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:07
CPC Classifications
B; B01; B01J; B01J2/00; B02; B02C; B02C19/00; B02C19/18; B02C19/186; B22; B22F; B22F9/00; B22F9/02; B22F9/04; B82; B82Y; B82Y30/00; C; C01; C01B; C01B13/00; C01B13/14; C01B13/145; C01B21/00; C01B21/06; C01F; C01F5/00; C01F5/02; C01F7/00; C01F7/02; C01F7/021; C01G; C01G25/00; C01G25/02; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2683; C01P; C01P2002/00; C01P2002/30; C01P2002/34; C01P2002/70; C01P2002/72; C01P2004/00; C01P2004/50; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/64; C01P2006/00; C01P2006/10; C01P2006/12; C01P2006/21; C01P2006/42; C01P2006/60; C01P2006/80; Y; Y02; Y02P; Y02P40/00; Y02P40/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US492767A
Cited
US1940409A
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US2454227A
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US2849275A
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US3022139A
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US2952980A
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US2992079A
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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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |