Patent US1922178A successfully refreshed from Google Patents.
US1922178A
Expired / Lapsed
US
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Metal-working implement
Assignee: FIRTH STERLING STEEL CO
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Filing: 1932-01-27
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Granted: 1933-08-15
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Expires: 1952-01-27
Abstract
No abstract record available.
Inventors
- 👤 William J Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:49
CPC Classifications
B; B21; B21C; B21C3/00; B21C3/18; Y; Y10; Y10S; Y10S76/00; Y10S76/11; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49705; Y10T407/00; Y10T407/26; Y10T407/27
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |