US2759982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexachlorocyclohexane product
Assignee: FMC Corp
•
Filing: 1952-07-03
•
Granted: 1956-08-21
•
Expires: 1972-07-03
Abstract
No abstract record available.
Inventors
- 👤 John A Pianfetti
- 👤 Max Y Seaton
- 👤 Williams Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:40
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/02; C07C23/10; C07C23/12; C07C17/00; C07C17/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1929910A
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US2040264A
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US2291574A
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US2393509A
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US2403179A
Cited
US2485267A
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US2480081A
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US2462654A
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US2499129A
Cited
US2564406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |