US2468206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bimetallic billet
Assignee: Superior Steel Corp
•
Filing: 1945-04-07
•
Granted: 1949-04-26
•
Expires: 1965-04-07
Abstract
No abstract record available.
Inventors
- 👤 Walter L Keene
- 👤 William A Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:12
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/02; B23K31/025; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12278; Y10T428/12306; Y10T428/12319; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543192A
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US574488A
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US792099A
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US1896411A
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US2064684A
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US2225868A
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US2144915A
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US2286091A
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US2395878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |