US3300254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-pneumatic brake system
Assignee: Siemens Mobility Ltd
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Filing: 1964-07-17
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Granted: 1967-01-24
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 John W G Kershaw
- 👤 Arthur W Simmons
- 👤 Edmund J Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:48
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/66; B60T13/68; B60T13/665; B60T15/00; B60T15/02; B60T15/04; B60T15/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SWITCH CONTROLLER DEVICE COMPRISING A PLURALITY OF SWITCH DEVICES DISPOSED IN A CIRCULAR PATTERN ABOUT A CENTRAL AXIS, EACH HAVING A SNAP-ACTING OPERATING ARM EXTENDING THEREFROM TOWARD SAID CENTRAL AXIS MOVABLE FROM A FIRST OPERATING POSITION TO A SECOND OPERATING POSITION AND FROM SAID SECOND OPERATING POSITION TO SAID FIRST OPERATING POSITION TO EFFECT CORRESPONDING SNAP-ACTION OPERATION OF THE SWITCH DEVICES, AND A MANUALLY OPERATED ROTATABLE SELECTOR ARM EXTENDING FROM SAID CENTRAL AXIS RADIALLY TOWARD SAID CIRCULAR PATTERN IN A MANNER TO ENGAGE EACH OF SAID OPERATING ARMS INDIVIDUALLY AND IN SUCCESSION TO MOVE SAID OPERATING ARMS FROM A FIRST OPERATING POSITION TO A SECOND OPERATING POSITION WITH A SNAP ACTION WHEN THE SELECTOR ARM IS ROTATED IN ONE DIRECTION AND FROM SAID SECOND OPERATING POSITION TO SAID FIRST OPERATING POSITION WITH A SNAP ACTION WHEN THE SELECTOR ARM IS ROTATED IN A REVERSE DIRECTION.
Claim 2
Dependent Claim
146 words
A SWITCH CONTROLLER DEVICE COMPRISING A PLURALITY OF SWITCH DEVICES DISPOSED IN A CIRCULAR PATTERN ABOUT A CENTRAL AXIS, EACH HAVING A SNAP-ACTING OPERATING ARM EXTENDING THEREFROM TOWARD SAID CENTRAL AXIS MOVABLE FROM A FIRST OPERATING POSITION TO A SECOND OPERATING POSITION AND FROM SAID SECOND OPERATING POSITION TO SAID FIRST OPERATING POSITION TO EFFECT CORRESPONDING SNAP-ACTION OPERATION OF THE SWITCH DEVICES, AND A MANUALLY OPERATED ROTATABLE SELECTOR ARM EXTENDING FROM SAID CENTRAL AXIS RADIALLY TOWARD SAID CIRCULAR PATTERN IN A MANNER TO ENGAGE EACH OF SAID OPERATING ARMS INDIVIDUALLY AND IN SUCCESSION TO MOVE SAID OPERATING ARMS FROM A FIRST OPERATING POSITION TO A SECOND OPERATING POSITION WITH A SNAP ACTION WHEN THE SELECTOR ARM IS ROTATED IN ONE DIRECTION AND FROM SAID SECOND OPERATING POSITION TO SAID FIRST OPERATING POSITION WITH A SNAP ACTION WHEN THE SELECTOR ARM IS ROTATED IN A REVERSE DIRECTION.
References Cited (Backward Citations)
US1721420A
Cited
US2857528A
Cited
US2906832A
Cited
US3071658A
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US3189763A
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US3118707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |