Patent US2610271A successfully refreshed from Google Patents.
US2610271A
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Thermal-magnetic relay
Assignee: Joy Manufacturing Co
•
Filing: 1948-05-01
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Granted: 1952-09-09
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Expires: 1968-05-01
Abstract
No abstract record available.
Inventors
- 👤 John D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:46
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/142
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |