Patent US3177779A successfully refreshed from Google Patents.
US3177779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake actuator and locking means therefor
Assignee: Berg Manufacturing and Sales Co
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Filing: 1963-02-28
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Granted: 1965-04-13
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harold L Dobrikin
- 👤 Horowitz Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:34
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A BRAKE ACTUATOR COMPRISING A HOUSING, A DIAPHRAGM DIVIDING SAID HOUSING, A FLUID PRESSURE INLET IN SAID HOUSING ON ONE SIDE OF SAID DIAPHRAGM, AN OPERATING ROD IN CONTACT WITH SAID DIAPHRAGM ON THE OPPOSITE SIDE THEREOF FROM SAID INLET AND EXTENDING OUTWARDLY FROM SAID HOUSING AND LOCKING MEANS FOR SAID ROD, SAID MEANS COMPRISING A BODY SURROUNDING SAID ROD WITHIN SAID HOUSING, A LOCK MEMBER MOVABLE IN SAID BODY INTO AND OUT OF LOCKING ENGAGEMENT WITH SAID ROD, A FLUID PRESSURE INLET IN SAID BODY POSITIONED TO DELIVER FLUID PRESSURE TO SAID LOCK MEMBER TO MOVE THE SAME.
Claim 2
Dependent Claim
99 words
A BRAKE ACTUATOR COMPRISING A HOUSING, A DIAPHRAGM DIVIDING SAID HOUSING, A FLUID PRESSURE INLET IN SAID HOUSING ON ONE SIDE OF SAID DIAPHRAGM, AN OPERATING ROD IN CONTACT WITH SAID DIAPHRAGM ON THE OPPOSITE SIDE THEREOF FROM SAID INLET AND EXTENDING OUTWARDLY FROM SAID HOUSING AND LOCKING MEANS FOR SAID ROD, SAID MEANS COMPRISING A BODY SURROUNDING SAID ROD WITHIN SAID HOUSING, A LOCK MEMBER MOVABLE IN SAID BODY INTO AND OUT OF LOCKING ENGAGEMENT WITH SAID ROD, A FLUID PRESSURE INLET IN SAID BODY POSITIONED TO DELIVER FLUID PRESSURE TO SAID LOCK MEMBER TO MOVE THE SAME.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |