Patent US1467777A successfully refreshed from Google Patents.
US1467777A
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US
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Condenser and method of making the same
Assignee: Westinghouse Electric Corp
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Filing: 1919-02-15
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Granted: 1923-09-11
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Expires: 1939-02-15
Abstract
No abstract record available.
Inventors
- 👤 Paul E Demmler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/228; H01G4/232
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) | 1926-09-10 | 1927-03-12 | 1927-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-10 | 1931-03-12 | 1931-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-10 | 1935-03-12 | 1935-09-11 | $7700.00 | Window Closed / Lapsed |