US3358447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake system
Assignee: Stromberg Hydraulic Brake and Coupling Co
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Filing: 1966-03-07
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Granted: 1967-12-19
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Henry E Branson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:01
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/108
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN COMBINATION, A DUAL BRAKE SYSTEM FOR AN AUTOMOTIVE VEHILE TRACTOR INCLUDING A DUAL TRACTOR MASTER CYLINDER ASSEMBL, HYDRAULIC DUCTS LEADING SEPARATELY THEREFROM TO SEPARATE TRACTOR WHEEL BRAKES, A TRAILER BRAKE SYSTEN INCLUDING A TRAILER MASTER CYLINDER ON THE TRACTOR, A HYDRAULIC CONNECTION BETWEEN THE TRAILER MASTER CYLINDER AND THE TRAILER BRAKES AND A MEANS OPERATIVELY CONNECTING THE TRAILER MASTER CYLINDER AND SOME OF THE TRACTOR WHEEL BRAKES.
Claim 2
Dependent Claim
68 words
IN COMBINATION, A DUAL BRAKE SYSTEM FOR AN AUTOMOTIVE VEHILE TRACTOR INCLUDING A DUAL TRACTOR MASTER CYLINDER ASSEMBL, HYDRAULIC DUCTS LEADING SEPARATELY THEREFROM TO SEPARATE TRACTOR WHEEL BRAKES, A TRAILER BRAKE SYSTEN INCLUDING A TRAILER MASTER CYLINDER ON THE TRACTOR, A HYDRAULIC CONNECTION BETWEEN THE TRAILER MASTER CYLINDER AND THE TRAILER BRAKES AND A MEANS OPERATIVELY CONNECTING THE TRAILER MASTER CYLINDER AND SOME OF THE TRACTOR WHEEL BRAKES.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |