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US1586709A
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Electric-fixture coupling
Assignee: ELLIS J JANOWITZ
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Filing: 1922-07-08
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Granted: 1926-06-01
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Expires: 1942-07-08
Abstract
No abstract record available.
Inventors
- 👤 Abraham I Schwinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:34
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/20; F; F21; F21S; F21S8/00; F21S8/04; F21V; F21V23/00; F21V23/06
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) | 1929-05-31 | 1929-11-30 | 1930-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-31 | 1933-11-30 | 1934-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-31 | 1937-11-30 | 1938-06-01 | $7700.00 | Window Closed / Lapsed |