Patent US2835022A successfully refreshed from Google Patents.
US2835022A
Expired / Lapsed
US
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Process of making metal product
Assignee: Jessop Steel Co
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Filing: 1955-02-08
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Granted: 1958-05-20
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Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 Edward J Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:56
CPC Classifications
B; B21; B21B; B21B3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301; Y10T29/303; Y10T29/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704285A
Cited
US2593460A
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US731732A
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US910684A
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US2018725A
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US2050298A
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US2159043A
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US2645842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |