Patent JPS63147674A successfully refreshed from Google Patents.
US1126877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor alternating-current rectifier and similar apparatus.
Assignee: ABB Training Center GmbH and Co KG
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Filing: 1914-06-15
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Granted: 1915-02-02
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Expires: 1934-06-15
Abstract
No abstract record available.
Inventors
- 👤 Bela Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:54
CPC Classifications
H; H01; H01J; H01J13/00; H01J13/02; H01J13/48
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) | 1918-02-01 | 1918-08-03 | 1919-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-02-01 | 1922-08-03 | 1923-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-02-01 | 1926-08-03 | 1927-02-02 | $7700.00 | Window Closed / Lapsed |