Patent US1892533A successfully refreshed from Google Patents.
US1892533A
Expired / Lapsed
US
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Method of and means for generating and distributing current flow
Assignee: Sargent and Lundy LLC
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Filing: 1929-04-25
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Granted: 1932-12-27
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Expires: 1949-04-25
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Perry
- 👤 Allen M Rossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:44
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/36; H02K19/365; H02J; H02J3/00; H02J3/04; H02K19/34
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) | 1935-12-27 | 1936-06-27 | 1936-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-27 | 1940-06-27 | 1940-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-27 | 1944-06-27 | 1944-12-27 | $7700.00 | Window Closed / Lapsed |