Patent US2525347A successfully refreshed from Google Patents.
US2525347A
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US
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Electrostatic apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1945-02-09
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Granted: 1950-10-10
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Expires: 1965-02-09
Abstract
No abstract record available.
Inventors
- 👤 Gilman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:16
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/02; B03C3/16; Y; Y10; Y10S; Y10S55/00; Y10S55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360654A
Cited
US1958406A
Cited
US1905993A
Cited
US2302185A
Cited
US2357355A
Cited
US2357354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |