US1204377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphase-current-limiting reactance-coil.
Assignee: Westinghouse Electric Corp
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Filing: 1914-07-03
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Granted: 1916-11-07
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Expires: 1934-07-03
Abstract
No abstract record available.
Inventors
- 👤 John F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:05
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/12; H02J3/14; H02J2105/00; H02J2105/50; H02J2105/52; H02J2105/53; Y; Y02; Y02B; Y02B70/00; Y02B70/30; Y02B70/3225; Y04; Y04S; Y04S20/00; Y04S20/20; Y04S20/222
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) | 1919-11-07 | 1920-05-08 | 1920-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-11-07 | 1924-05-08 | 1924-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-11-07 | 1928-05-08 | 1928-11-07 | $7700.00 | Window Closed / Lapsed |