Patent US3468968A successfully refreshed from Google Patents.
US3468968A
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US
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Manufacture of halohydrocarbons
Assignee: Ethyl Corp
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Filing: 1966-09-29
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Granted: 1969-09-23
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Baker
- 👤 John H Mccarthy
- 👤 Harold G Place
- 👤 Andrew O Wikman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152; C07C17/156
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399488A
Cited
US2644846A
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US2994727A
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US3042728A
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US3210431A
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US3260678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |