US3350883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem master cylinder
Assignee: Studebaker Worthington Inc
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Filing: 1966-01-26
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Granted: 1967-11-07
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Expires: 1986-01-26
Abstract
No abstract record available.
Inventors
- 👤 John H Rohlfs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A TANDEM MASTER CYLINDER COMPRISING A HOUSING, A PAIR OF FLUID PRESSURE GENERATING MEANS MOVABLE IN SAID HOUSING AND DEFINING THEREWITH A PAIR OF FLUID PRESSURE CHAMBERS, ONE OF SAID FLUID PRESSURE GENERATING MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE TO ESTABLISH FLUID PRESSURE IN ONE OF SAID CHAMBERS, THE OTHER OF SAID FLUID PRESSURE GENERATING MEANS BEING MOVABLE IN RESPONSE TO THE ESTABLISHED FLUID PRESSURE IN SAID ONE CHAMBER TO ESTABLISH ANOTHER FLUID PRESSURE IN THE OTHER OF SAID CHAMBERS, AND EQUALIZING MEANS MOVABLE IN SAID OTHER FLUID PRESSURE GENERATING MEANS BETWEEN SAID ONE AND OTHER CHAMBERS IN RESPONSE TO THE FIRST NAMED AND OTHER ESTABLISHED FLUID PRESSURES TO SUBSTANTIALLY EQUALIZE THE MAGNITUDES THEREOF.
Claim 2
Dependent Claim
117 words
A TANDEM MASTER CYLINDER COMPRISING A HOUSING, A PAIR OF FLUID PRESSURE GENERATING MEANS MOVABLE IN SAID HOUSING AND DEFINING THEREWITH A PAIR OF FLUID PRESSURE CHAMBERS, ONE OF SAID FLUID PRESSURE GENERATING MEANS BEING MOVABLE IN RESPONSE TO AN APPLIED FORCE TO ESTABLISH FLUID PRESSURE IN ONE OF SAID CHAMBERS, THE OTHER OF SAID FLUID PRESSURE GENERATING MEANS BEING MOVABLE IN RESPONSE TO THE ESTABLISHED FLUID PRESSURE IN SAID ONE CHAMBER TO ESTABLISH ANOTHER FLUID PRESSURE IN THE OTHER OF SAID CHAMBERS, AND EQUALIZING MEANS MOVABLE IN SAID OTHER FLUID PRESSURE GENERATING MEANS BETWEEN SAID ONE AND OTHER CHAMBERS IN RESPONSE TO THE FIRST NAMED AND OTHER ESTABLISHED FLUID PRESSURES TO SUBSTANTIALLY EQUALIZE THE MAGNITUDES THEREOF.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |