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Patent US3488398A successfully refreshed from Google Patents.
US3488398A
Expired / Lapsed
US
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Method of preparing 1,2-dichloroethane
Assignee: Goodrich Corp
•
Filing: 1964-04-23
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Granted: 1970-01-06
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jerome W Harpring
- 👤 Arthur E Van Antwerp
- 👤 Robert F Sterbenz
- 👤 Tzu Liang Kang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:09
CPC Classifications
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)
US2547928A
Cited
US2644846A
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US2699988A
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US3010913A
Cited
US3042728A
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US3055955A
Cited
US3215508A
Cited
US3296319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |