Patent US2458502A successfully refreshed from Google Patents.
US2458502A
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Structural element for high temperature service use
Assignee: Coast Metals Inc
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Filing: 1944-06-30
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Granted: 1949-01-11
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Expires: 1964-06-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:22
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1190652A
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US1588518A
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GB159857A
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US1572996A
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US1774862A
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US1894820A
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DE612180C
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US2246078A
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US2296460A
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US2299871A
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US2403926A
Cited
US2396552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |