US2647784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die set handling flange and coacting hook
Assignee: SUPERIOR STEEL PRODUCTS CORP
•
Filing: 1948-09-02
•
Granted: 1953-08-04
•
Expires: 1968-09-02
Abstract
No abstract record available.
Inventors
- 👤 Janiszewski Kasimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:55
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/14; Y; Y10; Y10S; Y10S100/00; Y10S100/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1283351A
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US1734300A
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US1864168A
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US1875702A
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US2020179A
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US2079240A
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US2161578A
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US2213766A
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US2262204A
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US2275706A
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US2456240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |