Patent US1597437A successfully refreshed from Google Patents.
US1597437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined plug receptacle and switch
Assignee: General Electric Co
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Filing: 1921-01-21
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Granted: 1926-08-24
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Expires: 1941-01-21
Abstract
No abstract record available.
Inventors
- 👤 Reamer Frank C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:51
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70
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) | 1929-08-23 | 1930-02-22 | 1930-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-23 | 1934-02-22 | 1934-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-23 | 1938-02-22 | 1938-08-24 | $7700.00 | Window Closed / Lapsed |