Patent US3588423A successfully refreshed from Google Patents.
US3588423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed switch arrangement
Assignee: HI TEK CORP
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Filing: 1969-06-09
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Granted: 1971-06-28
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Expires: 1989-06-09
Abstract
Abstract AN IMPROVED ELECTRICAL SWITCH, SUCH AS A SUBMINIATURE SWITCH, HAVING A DIAPHRAGM MOISTURE AND DUST SEAL. A SWITCH ACTUATING BUTTON HAVING AN ENLARGED HEAD PROJECTS THROUGH AN OPENING IN THE SWITCH HOUSING. THE DIAPHRAGM SEAL INCLUDES A TOROIDAL OR ANNULAR PORTION WHICH FITS INTO AN ANNULAR GROOVE EXTENDING IN THE SWITCH HOUSING AROUND THE BUTTON HEAD AND AN INTEGRAL CUP SHAPED MEMBRANE FOR PREVENTING DUST AND MOISTURE FROM ENTRING THE SWITCH HOUSING FROM AROUND THE ACTUATOR BUTTON.
Inventors
- 👤 Don M Hallerberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:34
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/40; H01H13/42; H01H13/04; H01H13/06
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |