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Patent US3350166A successfully refreshed from Google Patents.
US3350166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of aluminum borate whiskers
Assignee: Individual
•
Filing: 1965-01-19
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Granted: 1967-10-31
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 John K Alley
- 👤 Robert C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:06
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; C01B35/06; C01B35/12; C30; C30B; C30B25/00; C30B25/005; C30B29/00; C30B29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS FOR PREPARATION OF ALUMINUM BORATE WHISKERS COMPRISING REACTING TOGETHER WATER VAPOR, BORON OXIDE VAPOR AND AN ALUMINUM HALIDE VAPOR SELECTED FROM THE GROUP CONSISTING OF ALUMINUM FLORIDE VAPOR, ALUMINUM BROMIDE VAPOR AND ALUMINUM CHLORIDE VAPOR; AND RECOVERING SAID ALUMINUM BORATE WHISKERS AS PRODUCT FROM SAID REACTION.
Claim 2
Dependent Claim
48 words
A PROCESS FOR PREPARATION OF ALUMINUM BORATE WHISKERS COMPRISING REACTING TOGETHER WATER VAPOR, BORON OXIDE VAPOR AND AN ALUMINUM HALIDE VAPOR SELECTED FROM THE GROUP CONSISTING OF ALUMINUM FLORIDE VAPOR, ALUMINUM BROMIDE VAPOR AND ALUMINUM CHLORIDE VAPOR; AND RECOVERING SAID ALUMINUM BORATE WHISKERS AS PRODUCT FROM SAID REACTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |