Patent US1907984A successfully refreshed from Google Patents.
US1907984A
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US
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Electrodeposition of porcelain
Assignee: Westinghouse Electric Corp
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Filing: 1930-04-23
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Granted: 1933-05-09
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Expires: 1950-04-23
Abstract
No abstract record available.
Inventors
- 👤 Hobart M Kraner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; C; C23; C23D; C23D5/00; Y; Y10; Y10S; Y10S264/00; Y10S264/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |