US3538202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utilizing aluminum mono-orthophosphate as fugitive binder in manufacture of sintered porous alumina articles
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1969-12-11
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Granted: 1970-11-03
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Expires: 1989-12-11
Abstract
No abstract record available.
Inventors
- 👤 Jean-Claude Bidard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:58
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/10; B; B01; B01D; B01D39/00; B01D39/14; B01D39/20; B01D39/2027; B01D39/2031; B01D39/2034; B01D39/2068; B01D39/2072; B01D39/2075; B01D59/00; B01D59/10; B01D59/12; B01D59/14; B01D71/00; B01D71/02; B01D71/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB519885A
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US2422809A
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US3438620A
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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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |