Patent US3017440A successfully refreshed from Google Patents.
US3017440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihalo, bis-(2, 4, 5-trihalophenyl)-methanes
Assignee: Diamond Shamrock Corp
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Filing: 1957-10-30
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Granted: 1962-01-16
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Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Entemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:35
CPC Classifications
C; C07; C07C; C07C25/00; C07C25/18; C07C17/00; C07C17/26; C07C17/263; C07C17/269
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE STRUCTURE:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE STRUCTURE:
References Cited (Backward Citations)
US2164328A
Cited
US2113625A
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US2238242A
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US2455643A
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US2745780A
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US2711384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |