US1933401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated metal article and manufacture thereof
Assignee: Youngstown Sheet and Tube Co
•
Filing: 1929-10-01
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Granted: 1933-10-31
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Expires: 1949-10-01
Abstract
No abstract record available.
Inventors
- 👤 David R Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:56
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38; B; B23; B23K; B23K1/00; B23K1/08
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) | 1936-10-30 | 1937-05-01 | 1937-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-30 | 1941-05-01 | 1941-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-30 | 1945-05-01 | 1945-10-31 | $7700.00 | Window Closed / Lapsed |