Patent US2437474A successfully refreshed from Google Patents.
US2437474A
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US
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Method of anodic cleaning
Assignee: GILBERT H OROZCO
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Filing: 1944-03-24
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Granted: 1948-03-09
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Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Gilbert H Orozco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:37
CPC Classifications
C; C25; C25F; C25F1/00; C25D; C25D5/00; C25D5/34; C25D5/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1334092A
Cited
GB297508A
Cited
US1954473A
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USRE19719E
Cited
DE584477C
Cited
GB436332A
Cited
US2314285A
Cited
US2346562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |