US1778226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy steel
Assignee: Schneider Electric Buildings Americas Inc
•
Filing: 1925-09-14
•
Granted: 1930-10-14
•
Expires: 1945-09-14
Abstract
No abstract record available.
Inventors
- 👤 John A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:25
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/24; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/905
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) | 1933-10-13 | 1934-04-14 | 1934-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-10-13 | 1938-04-14 | 1938-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-10-13 | 1942-04-14 | 1942-10-14 | $7700.00 | Window Closed / Lapsed |