US2903470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of aluminum hydride and a boric acid ester
Assignee: Metal Hydrides Inc
•
Filing: 1957-09-16
•
Granted: 1959-09-08
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Kollonitsch Janos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:40
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2494968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |