US2663590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorizing nozzle
Assignee: Ajax Metal Co
•
Filing: 1949-03-07
•
Granted: 1953-12-22
•
Expires: 1969-03-07
Abstract
No abstract record available.
Inventors
- 👤 James R Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22B; C22B9/00; C22B9/02; F; F27; F27B; F27B14/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US153311A
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US1644290A
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US627728A
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US1423650A
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CH106956A
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US1612456A
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US1686833A
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US1837339A
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US1832873A
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US1803425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |