US3382189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating of powdered particle material
Assignee: Mobil Oil AS
•
Filing: 1964-08-10
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Granted: 1968-05-07
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 John G Mitchell
- 👤 William A Stover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:43
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/08; B01J37/10; B01J8/00; B01J8/18; B01J8/24; B01J8/36; B01J2219/00; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |