US3419731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching devices
Assignee: Hawker Siddeley Dynamics Ltd
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Filing: 1966-01-04
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Granted: 1968-12-31
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Expires: 1986-01-04
Abstract
No abstract record available.
Inventors
- 👤 Wheable Desmond
- 👤 Edward B Stuttard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:24
CPC Classifications
H; H03; H03M; H03M1/00; H01; H01H; H01H36/00; H01H36/0006; H01H36/006; H01H63/00; H01H63/02; H01H67/00; H01H67/02; H01H67/04; H01H67/06; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A SWITCHING DEVICE COMPRISING A PLURALITY OF REED SWITCHES ANGULARLY DISPOSED ABOUT AN AXIS AND EACH OPERABLE BY MEANS OF A MAGNETIC FIELD TO ASSUME EITHER ONE OF A FIRST AND SECOND CONDITION, MEANS ASSOCIATED WITH EACH SWITCH TO HOLD THE ASSOCIATED SWITCH IN THE SECOND CONDITION WHEN SO OPERATED, AND AN ELECTROMAGNET HAVING AN ARMATURE ROTATABLE ABOUT SAID AXIS IN PROXIMITY TO SAID REED SWITCHES AND ENERGISABLE TO CHANGE THE CONDITION OF ANY ONE REED SWITCH IN PROXIMITY THERETO.
Claim 2
Dependent Claim
80 words
A SWITCHING DEVICE COMPRISING A PLURALITY OF REED SWITCHES ANGULARLY DISPOSED ABOUT AN AXIS AND EACH OPERABLE BY MEANS OF A MAGNETIC FIELD TO ASSUME EITHER ONE OF A FIRST AND SECOND CONDITION, MEANS ASSOCIATED WITH EACH SWITCH TO HOLD THE ASSOCIATED SWITCH IN THE SECOND CONDITION WHEN SO OPERATED, AND AN ELECTROMAGNET HAVING AN ARMATURE ROTATABLE ABOUT SAID AXIS IN PROXIMITY TO SAID REED SWITCHES AND ENERGISABLE TO CHANGE THE CONDITION OF ANY ONE REED SWITCH IN PROXIMITY THERETO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |