US2793693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Take-off equipment for plate shears
Assignee: United States Steel Corp
•
Filing: 1953-02-24
•
Granted: 1957-05-28
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Elray W Menk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:23
CPC Classifications
B; B23; B23D; B23D33/00; B23D33/02; B23D33/025; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2196; Y10T83/2198; Y10T83/2209; Y10T83/2216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US471824A
Cited
US2603338A
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US707951A
Cited
US810845A
Cited
US923109A
Cited
GB191220279A
Cited
US1298185A
Cited
US2105142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |