US1365292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making condensers
Assignee: Westinghouse Electric Corp
•
Filing: 1919-04-18
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Granted: 1921-01-11
•
Expires: 1939-04-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas PHILLIPS
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
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) | 1924-01-11 | 1924-07-12 | 1925-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-11 | 1928-07-12 | 1929-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-11 | 1932-07-12 | 1933-01-11 | $7700.00 | Window Closed / Lapsed |