Patent US2676132A successfully refreshed from Google Patents.
US2676132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,2,3,4,10,10-hexachloro-6,7-epoxy-1,4,4alpha,5,6,7,8,8alpha-octhydro-1,4,5,8-dimethanonaphthalene and insecticidal compositions thereof
Assignee: Shell Development Co
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Filing: 1950-04-18
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Granted: 1954-04-20
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Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Bluestone Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/08; C07D303/04; C07D303/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
17 words
THE COMPOUND 1,2,3,4,10,10 - HEXACHLORO6,7 - EPOXY - 1,4,4A,5,6,7,8,8A - OCTAHYDRO - 1,4,5,8DIMETHANONAPHTHALENE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
17 words
THE COMPOUND 1,2,3,4,10,10 - HEXACHLORO6,7 - EPOXY - 1,4,4A,5,6,7,8,8A - OCTAHYDRO - 1,4,5,8DIMETHANONAPHTHALENE HAVING THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim
20 words
AS AN INSECTICIDAL COMPOSITION OF MATTER THE COMPOUND OF CLAIM 1 DISSEMINATED IN AN INSECTICIDAL ADJUVANT AS A CARRIER THEREOF.
References Cited (Backward Citations)
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Cited
US2382038A
Cited
GB614931A
Cited
GB618432A
Cited
US2509160A
Cited
US2519190A
Cited
US2507207A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |