US2478189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of malleable and annealable nickel
Assignee: Glencore Canada Corp
•
Filing: 1944-03-08
•
Granted: 1949-08-09
•
Expires: 1964-03-08
Abstract
No abstract record available.
Inventors
- 👤 Gronningsaeter Anton Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:51
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/06; C25C1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1280213A
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US1395827A
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US1754125A
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US1986967A
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US2001385A
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US2066347A
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US2115019A
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US2153569A
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US2259046A
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GB543294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |