US1416879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making composite metal articles
Assignee: Individual
•
Filing: 1920-04-15
•
Granted: 1922-05-23
•
Expires: 1940-04-15
Abstract
No abstract record available.
Inventors
- 👤 Rousseau Jean Francois Regis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:00
CPC Classifications
C; C21; C21D; C21D5/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; B23K35/306; B23K9/00; B23K9/04; B23K9/044; B23K9/046; B23K9/048
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) | 1925-05-22 | 1925-11-21 | 1926-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-05-22 | 1929-11-21 | 1930-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-05-22 | 1933-11-21 | 1934-05-23 | $7700.00 | Window Closed / Lapsed |