US3539383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of manganese bismuth
Assignee: Honeywell Inc
•
Filing: 1967-12-14
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Granted: 1970-11-10
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Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Di Chen
- 👤 Roger W Honebrink
- 👤 Gary N Otto
- 👤 Jack A Sartell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:36
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/16; C23C14/18; C23C14/58; C23C14/5806; C23C14/5893; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12
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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |