Patent US2888326A successfully refreshed from Google Patents.
US2888326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of boron hydrides
Assignee: Callery Chemical Co
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Filing: 1953-01-07
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Granted: 1959-05-26
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Expires: 1973-01-07
Abstract
No abstract record available.
Inventors
- 👤 William H Schechter
- 👤 Ronald H Shakely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:54
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/06; C01B6/10; C01B35/00; C01B35/02; C01B35/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THAT METHOD OF MAKING BORON HYDRIDE COMPRISING CONTACTING AN ALKALI METAL BOROHYDRIDE IN THE DRY STATE WITH A METALLIC HALIDE OF THE GROUP CONSISTING OF CUPROUS CHLORIDE, CUPRIC CHLORIDE, LEAD CHLORIDE, STANNIC CHLORIDE, AND FERRIC CHLORIDE, AND COLLECTING BORON HYDRIDE THUS PRODUCED.
Claim 2
Dependent Claim
42 words
THAT METHOD OF MAKING BORON HYDRIDE COMPRISING CONTACTING AN ALKALI METAL BOROHYDRIDE IN THE DRY STATE WITH A METALLIC HALIDE OF THE GROUP CONSISTING OF CUPROUS CHLORIDE, CUPRIC CHLORIDE, LEAD CHLORIDE, STANNIC CHLORIDE, AND FERRIC CHLORIDE, AND COLLECTING BORON HYDRIDE THUS PRODUCED.
References Cited (Backward Citations)
US2461661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |