Patent US3395977A successfully refreshed from Google Patents.
US3395977A
Expired / Lapsed
US
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Anhydrous magnesium chloride production
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-12-20
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Granted: 1968-08-06
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Nadler Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:02
CPC Classifications
C; C01; C01F; C01F5/00; C01F5/26; C01F5/30; C01F5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1232169A
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US1359652A
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US1896406A
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US1903592A
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US1880505A
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US1835818A
Cited
US1852227A
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US2355367A
Cited
US3067006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |