US3254117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboranylacetylenes and acid, alcohol and halide derivatives thereof
Assignee: Rohm and Haas Co
•
Filing: 1961-03-24
•
Granted: 1966-05-31
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 John A Dupont
- 👤 Marion F Hawthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:11
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C06; C06B; C06B47/00; C06B47/02; C06B47/10; Y; Y10; Y10S; Y10S149/00; Y10S149/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
5 words
COMPOUNDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US3158656A
Cited
US3167584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |