US1430649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating and treating materials having an iron base
Assignee: Individual
•
Filing: 1922-03-06
•
Granted: 1922-10-03
•
Expires: 1942-03-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:30
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/26; C23C2/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1925-10-02 | 1926-04-03 | 1926-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-02 | 1930-04-03 | 1930-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-02 | 1934-04-03 | 1934-10-03 | $7700.00 | Window Closed / Lapsed |