US2447664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating apparatus and method
Assignee: Westinghouse Electric Elevator Co
•
Filing: 1945-02-01
•
Granted: 1948-08-24
•
Expires: 1965-02-01
Abstract
No abstract record available.
Inventors
- 👤 Edward H R Pegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:34
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788600A
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US1855869A
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US2173032A
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US2097233A
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US2191827A
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US2302289A
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US2247963A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |