Patent US3094935A successfully refreshed from Google Patents.
US3094935A
Expired / Lapsed
US
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Pneumatic-effected delayed-action tripping devices
Assignee: Individual
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Filing: 1961-07-24
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Granted: 1963-06-25
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Mettler Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:52
CPC Classifications
F; F42; F42C; F42C7/00; F42C7/02; F42C7/04; F42C7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A DELAYED ACTION TRIPPING DEVICE PARTICULARLY ADAPTED FOR THE IGNITION OF EXPLOSIVE SUBSTANCES FOR CONTROLLING ELECTRICAL UNITS, ETC., AND OF THE TYPE THAT IS INSENSITIVE TO SUDDEN PRESSURES BUT ADAPTED TO TRIP WHEN SUBJECTED TO PROLONGED PRESSURES, SAID DEVICE COMPRISING A BODY MEMBER PROVIDING A CASING, A FIRING ARM ROTATABLY MOUNTED IN SAID CASING FOR PIVOTAL MOVEMENT AND FOR AXIAL MOVEMENT WITH RESPECT TO THE PIVOTAL AXIS, MEANS ADAPTED TO ROTATE SAID FIRING ARM TO FIRE SAID DEVICE, A PRESSURE PLATE EXTENDING OVER A SIDE OF SAID BODY MEMBER WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE PIVOTAL AXIS OF SAID FIRING ARM, DIAPHRAGM MEANS EXTENDING BETWEEN SAID CASING AND SAID PRESSURE PLATE, FLEXIBLE MEANS CONNECTING THE PRESSURE PLATE TO SAID BODY MEMBER TO PROVIDE AN IMPERFECT PNEUMATIC CHAMBER BETWEEN SAID PRESSURE PLATE AND SAID DIAPHRAGM,
Claim 2
Dependent Claim
135 words
IN A DELAYED ACTION TRIPPING DEVICE PARTICULARLY ADAPTED FOR THE IGNITION OF EXPLOSIVE SUBSTANCES FOR CONTROLLING ELECTRICAL UNITS, ETC., AND OF THE TYPE THAT IS INSENSITIVE TO SUDDEN PRESSURES BUT ADAPTED TO TRIP WHEN SUBJECTED TO PROLONGED PRESSURES, SAID DEVICE COMPRISING A BODY MEMBER PROVIDING A CASING, A FIRING ARM ROTATABLY MOUNTED IN SAID CASING FOR PIVOTAL MOVEMENT AND FOR AXIAL MOVEMENT WITH RESPECT TO THE PIVOTAL AXIS, MEANS ADAPTED TO ROTATE SAID FIRING ARM TO FIRE SAID DEVICE, A PRESSURE PLATE EXTENDING OVER A SIDE OF SAID BODY MEMBER WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE PIVOTAL AXIS OF SAID FIRING ARM, DIAPHRAGM MEANS EXTENDING BETWEEN SAID CASING AND SAID PRESSURE PLATE, FLEXIBLE MEANS CONNECTING THE PRESSURE PLATE TO SAID BODY MEMBER TO PROVIDE AN IMPERFECT PNEUMATIC CHAMBER BETWEEN SAID PRESSURE PLATE AND SAID DIAPHRAGM,
References Cited (Backward Citations)
US2555318A
Cited
US2678604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |