US3109322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power plant for drilling rig
Assignee: Armco Inc
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Filing: 1960-12-09
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Granted: 1963-11-05
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Richard N Cordrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:20
CPC Classifications
E; E21; E21B; E21B3/00; E21B3/02; E21B3/04; E21B3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A MULTIPLE ENGINE POWER PLANT FOR A DRILLING RIG HAVING A PAIR OF MUD PUMPS AND A DRIVEN MECHANISM, THE COMBINATION OF: A MOBILE SUPPORT CARRYING THE MUD PUMPS, A PAIR OF ENGINE UNITS MOUNTED ON SAID MOBILE SUPPORT, A COUNTERSHAFT ASSEMBLY MOUNTED ON SAID MOBILE SUPPORT AND LOCATED BETWEEN THE ENGINE UNITS AND THE MUD PUMPS, MEANS CONNECTING SAID COUNTERSHAFT ASSEMBLY TO RECEIVE POWER FROM SAID ENGINE UNITS, MEANS INCLUDING A CLUTCH FOR DRIVING ONE OF THE MUD PUMPS FROM SAID COUNTERSHAFT ASSEMBLY, MEANS INCLUDING A CLUTCH FOR DRIVING THE OTHER MUD PUMP FROM SAID COUNTERSHAFT ASSEMBLY, A SECOND MOBILE SUPPORT CARRYING THE DRIVEN MECHANISM, A SHAFT EXTENDING BETWEEN SAID MOBILE SUPPORTS, A UNIVERSAL JOINT CONNECTING ONE END OF THE SHAFT TO SAID COUNTERSHAFT ASSEMBLY, AND MEANS INCLUDING A UNIVERSAL JOINT OPERATIVELY CONNECTING SAID SHAFT TO DRIVE THE DRIVEN MECHANISM.
Claim 2
Dependent Claim
142 words
IN A MULTIPLE ENGINE POWER PLANT FOR A DRILLING RIG HAVING A PAIR OF MUD PUMPS AND A DRIVEN MECHANISM, THE COMBINATION OF: A MOBILE SUPPORT CARRYING THE MUD PUMPS, A PAIR OF ENGINE UNITS MOUNTED ON SAID MOBILE SUPPORT, A COUNTERSHAFT ASSEMBLY MOUNTED ON SAID MOBILE SUPPORT AND LOCATED BETWEEN THE ENGINE UNITS AND THE MUD PUMPS, MEANS CONNECTING SAID COUNTERSHAFT ASSEMBLY TO RECEIVE POWER FROM SAID ENGINE UNITS, MEANS INCLUDING A CLUTCH FOR DRIVING ONE OF THE MUD PUMPS FROM SAID COUNTERSHAFT ASSEMBLY, MEANS INCLUDING A CLUTCH FOR DRIVING THE OTHER MUD PUMP FROM SAID COUNTERSHAFT ASSEMBLY, A SECOND MOBILE SUPPORT CARRYING THE DRIVEN MECHANISM, A SHAFT EXTENDING BETWEEN SAID MOBILE SUPPORTS, A UNIVERSAL JOINT CONNECTING ONE END OF THE SHAFT TO SAID COUNTERSHAFT ASSEMBLY, AND MEANS INCLUDING A UNIVERSAL JOINT OPERATIVELY CONNECTING SAID SHAFT TO DRIVE THE DRIVEN MECHANISM.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |