US3220988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyhalogen containing bicyclic compounds and polymers thereof
Assignee: Hooker Chemical Corp
•
Filing: 1958-08-26
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Granted: 1965-11-30
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Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 Paul E Hoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:00
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/27; C07C23/30; C07C17/00; C07C17/25
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA:
Claim 2
Dependent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA:
Claim 3
Dependent Claim
11 words
THE PROCESS WHICH COMPRISES: (1) HEATING A COMPOUND HAVING THE FORMULA:
Claim 4
Dependent Claim
11 words
THE PROCESS WHICH COMPRISES: (1) HEATING A COMPOUND HAVING THE FORMULA:
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |