US3090691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing ceramic-like articles
Assignee: Dow Silicones Corp
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Filing: 1960-11-09
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Granted: 1963-05-21
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Expires: 1980-11-09
Abstract
No abstract record available.
Inventors
- 👤 Donald E Weyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:38
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/10; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; C04B35/111; C04B35/14; C04B35/515; C04B35/56; C04B35/565; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B35/6316; C04B35/632; C04B35/634; C04B35/63448; C08; C08K; C08K3/00; C08K3/01; C08K3/013; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3208; C04B2235/3296; C04B2235/44; C04B2235/449; C04B2235/48; C04B2235/483; C04B2235/60; C04B2235/604; C04B2235/65; C04B2235/656; C04B2235/6562; C04B2235/70; C04B2235/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2641044A
Cited
US2784105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |