US2477310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition for producing a dyeable corrosion resistant surface on zinc and high zinc alloys
Assignee: CLARK THREAD CO
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Filing: 1947-07-23
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Granted: 1949-07-26
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Expires: 1967-07-23
Abstract
No abstract record available.
Inventors
- 👤 Earle R Mclean
- 👤 Jr David M Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:48
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/82; C23C22/84; C23C22/05; C23C22/06; C23C22/24; C23C22/26; C23C22/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021592A
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US2088429A
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US2236549A
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US2433723A
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US2393640A
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US2393664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |