Patent US2856404A successfully refreshed from Google Patents.
Patent US3290353A successfully refreshed from Google Patents.
US3290353A
Expired / Lapsed
US
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Halogenated aromatic nitriles
Assignee: SDS Biotech Corp
•
Filing: 1963-04-01
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Granted: 1966-12-06
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert D Battershell
- 👤 Bluestone Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/49; A; A01; A01N; A01N37/00; A01N37/34; C07C255/50; C07C255/51
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A HALOGENATED-AROMATIC NITRILE OF THE STRUCTURE
Claim 2
Dependent Claim
6 words
A HALOGENATED-AROMATIC NITRILE OF THE STRUCTURE
Claim 3
Dependent Claim
6 words
A HALOGENATED-AROMATIC NITRILE OF THE STRUCTURE
Claim 4
Dependent Claim
6 words
A HALOGENATED-AROMATIC NITRILE OF THE STRUCTURE
References Cited (Backward Citations)
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Cited
US2648621A
Cited
US2865803A
Cited
US3027248A
Cited
US3009942A
Cited
US3108130A
Cited
US3080225A
Cited
US3094405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |