Patent US2410088A successfully refreshed from Google Patents.
US2964526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen derivatives of 1, 4-diazobicyclo-(2. 2. 2)-octane
Assignee: Houdry Process Corp
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Filing: 1958-06-16
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Granted: 1960-12-13
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:00
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
THE CHEMICAL COMPOUND
Claim 2
Dependent Claim
3 words
THE CHEMICAL COMPOUND
References Cited (Backward Citations)
US2472361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |