US3228986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron-containing compounds
Assignee: Rohm and Haas Co
•
Filing: 1961-03-24
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Granted: 1966-01-11
•
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
2026-10-23 18:05
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C06; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
4 words
CARBORANYLACETYLENE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |