Patent US2898428A successfully refreshed from Google Patents.
US2898428A
Expired / Lapsed
US
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Actuators for electrical switches
Assignee: Burgess Products Co Ltd
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Filing: 1958-04-08
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Granted: 1959-08-04
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Expires: 1978-04-08
Abstract
No abstract record available.
Inventors
- 👤 Holden Brian Astbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:24
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/14; H01H13/18; H01H13/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338365A
Cited
US2431747A
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US2413130A
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US2627567A
Cited
US2547765A
Cited
US2648234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |