Patent US3130665A successfully refreshed from Google Patents.
US3130665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press box door assembly
Assignee: Murray Company of Texas Inc
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Filing: 1962-02-05
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Granted: 1964-04-28
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Neitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:02
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3007; B30B9/3032; B30B9/3075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PRESS HAVING A PRESS BOX WITH AN OPENABLE DOOR HELD IN A CLOSED AND LOCKED POSITION BY A LOCKING BAR ENGAGED BY A FLUID PRESSURE OPERATED PISTON, AND A PUMP CONNECTED TO SAID PISTON AND OPERATIVE WHILE ENERGIZED TO SUPPLY PRESSURE FLUID THERETO; THE COMBINATION COMPRISING A POSITION RESPONSIVE SWITCH ON SAID DOOR, SAID SWITCH BEING CLOSED WHEN SAID LOCKING BAR IS CLOSED INTO POSITION FOR ENGAGEMENT BY SAID PISTON, ELECTRICAL RELAY MEANS IN SERIES CONNECTION WITH SAID SWITCH, A NORMALLY CLOSED CONTACT IN SERIES CONNECTION WITH SAID SWITCH AND SAID PUMP, SAID CONTACT BEING ACTUATED BY SAID RELAY MEANS AND BEING DELAYED IN OPENING FOR A TIMED INTERVAL FOLLOWING ACTUATION THEREOF WHEREBY SAID PUMP IS ENERGIZED FOR SAID TIMED INTERVAL UPON SAID CLOSING OF SAID LOCKING BAR.
Claim 2
Dependent Claim
130 words
IN A PRESS HAVING A PRESS BOX WITH AN OPENABLE DOOR HELD IN A CLOSED AND LOCKED POSITION BY A LOCKING BAR ENGAGED BY A FLUID PRESSURE OPERATED PISTON, AND A PUMP CONNECTED TO SAID PISTON AND OPERATIVE WHILE ENERGIZED TO SUPPLY PRESSURE FLUID THERETO; THE COMBINATION COMPRISING A POSITION RESPONSIVE SWITCH ON SAID DOOR, SAID SWITCH BEING CLOSED WHEN SAID LOCKING BAR IS CLOSED INTO POSITION FOR ENGAGEMENT BY SAID PISTON, ELECTRICAL RELAY MEANS IN SERIES CONNECTION WITH SAID SWITCH, A NORMALLY CLOSED CONTACT IN SERIES CONNECTION WITH SAID SWITCH AND SAID PUMP, SAID CONTACT BEING ACTUATED BY SAID RELAY MEANS AND BEING DELAYED IN OPENING FOR A TIMED INTERVAL FOLLOWING ACTUATION THEREOF WHEREBY SAID PUMP IS ENERGIZED FOR SAID TIMED INTERVAL UPON SAID CLOSING OF SAID LOCKING BAR.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |