Patent EP0056894A1 successfully refreshed from Google Patents.
Patent US943958A successfully refreshed from Google Patents.
US943958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush plate for flush receptacles.
Assignee: Trumbull Electric Manufacturing Co
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Filing: 1906-12-07
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Granted: 1909-12-21
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Expires: 1926-12-07
Abstract
No abstract record available.
Inventors
- 👤 Frank T Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:48
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14
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) | 1912-12-20 | 1913-06-21 | 1913-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-12-20 | 1917-06-21 | 1917-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-12-20 | 1921-06-21 | 1921-12-21 | $7700.00 | Window Closed / Lapsed |