US3072698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium aluminum hydrides
Assignee: Metal Hydrides Inc
•
Filing: 1962-01-11
•
Granted: 1963-01-08
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Hinckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND RESPONDING TO THE FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND RESPONDING TO THE FORMULA
References Cited (Backward Citations)
US2738369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |