US3383199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing of iron oxide values
Assignee: Honeywell International Inc
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Filing: 1967-08-23
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Granted: 1968-05-14
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Expires: 1987-08-23
Abstract
No abstract record available.
Inventors
- 👤 Lawrence D Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:19
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/0046; C21B13/0053; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/242; C22B1/244; C22B1/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |