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Patent US2983453A successfully refreshed from Google Patents.
US2983453A
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Method of pulverization
Assignee: ExxonMobil Oil Corp
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Filing: 1958-03-13
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Granted: 1961-05-09
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Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Jean M Bourguet
- 👤 Robert D Drew
- 👤 Louis P Evans
- 👤 Jonas P Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:21
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/06; B02C19/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032827A
Cited
GB528163A
Cited
US2392866A
Cited
US2393783A
Cited
US2515541A
Cited
US2636688A
Cited
US2856268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |