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US2823591A
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Assignee: Kaiser Metal Products Inc
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Filing: 1953-11-13
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Granted: 1958-02-18
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Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
- 👤 William D Craddock
- 👤 George G Cudhea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:35
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q1/5456; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/307056; Y10T409/30756; Y10T409/307672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE513166A
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US114229A
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US960188A
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US985412A
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GB191028016A
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FR482364A
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US1469121A
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US2263635A
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US2424031A
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US2788718A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |