Patent US2570095A successfully refreshed from Google Patents.
US2570095A
Expired / Lapsed
US
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Mercury switch and relay
Assignee: Durakool Inc
•
Filing: 1948-01-22
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Granted: 1951-10-02
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Expires: 1968-01-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Bucklen
- 👤 Glen L Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:15
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/20; H01H29/24; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1762213A
Cited
US2227040A
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US2269690A
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US2125316A
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US2087738A
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US2219496A
Cited
US2417764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |