US1562655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition of matter for deoxidizing metals and alloys
Assignee: Individual
•
Filing: 1921-05-11
•
Granted: 1925-11-24
•
Expires: 1941-05-11
Abstract
No abstract record available.
Inventors
- 👤 Pacz Aladar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:33
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/04; C21C7/06
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) | 1928-11-23 | 1929-05-25 | 1929-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-11-23 | 1933-05-25 | 1933-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-11-23 | 1937-05-25 | 1937-11-24 | $7700.00 | Window Closed / Lapsed |