US2889367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
dimethyl-g t-isutyl indanes
Assignee: —
•
Filing: —
•
Granted: 1959-06-02
•
Expires: 1976-06-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:51
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C07C13/00; C07C13/28; C07C13/32; C07C13/45; C07C13/465; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AS A NEW COMPOUND, 4-ACETYL-1, 1-DIMETHYL-6-TERT. BUTYL-INDANE.
Claim 2
Dependent Claim
7 words
AS A NEW COMPOUND, 4-ACETYL-1, 1-DIMETHYL-6-TERT. BUTYL-INDANE.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |