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Patent US1824178A successfully refreshed from Google Patents.
US1824178A
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US
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Relay operating mechanism
Assignee: SPX Technologies Inc
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Filing: 1926-03-25
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Granted: 1931-09-22
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Expires: 1946-03-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/26
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) | 1934-09-21 | 1935-03-23 | 1935-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-21 | 1939-03-23 | 1939-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-21 | 1943-03-23 | 1943-09-22 | $7700.00 | Window Closed / Lapsed |