US1404907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of nickel-chrome steel
Assignee: Individual
•
Filing: 1913-06-25
•
Granted: 1922-01-31
•
Expires: 1933-06-25
Abstract
No abstract record available.
Inventors
- 👤 Strauss Benno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
C; C21; C21D; C21D6/00; C21D6/004; C22; C22C; C22C38/00; C22C38/18; C22C38/40
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) | 1925-01-30 | 1925-08-01 | 1926-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-30 | 1929-08-01 | 1930-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-30 | 1933-08-01 | 1934-01-31 | $7700.00 | Window Closed / Lapsed |