Patent US2673069A successfully refreshed from Google Patents.
US2673069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen peroxide drilling tool
Assignee: Phillips Petroleum Co
•
Filing: 1949-12-12
•
Granted: 1954-03-23
•
Expires: 1969-12-12
Abstract
No abstract record available.
Inventors
- 👤 Paul G Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:48
CPC Classifications
E; E21; E21B; E21B7/00; E21B4/00; E21B4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN EARTH BORING DRILL FOR DRILLING DEEP WELLS COMPRISING, IN COMBINATION, A BODY MEMBER HAVING A FLUID-TIGHT RESERVOIR ATTACHED AT ITS UPPER END, A QUANTITY OF HYDROGEN PEROXIDE POWER LIQUID IN SAID RESERVOIR, A CYLINDER ATTACHED TO THE LOWER END OF SAID BODY MEMBER A CONDUIT LEADING FROM SAID RESERVOIR TO SAID CYLINDER, AN EXHAUST PORT IN THE WALL OF SAID CYLINDER, SAID BODY MEMBER, RESERVOIR AND CYLINDER BEING DISPOSED ALONG A COMMON AXIS AND BEING ADAPTED TO BE LOWERED INTO A WELL, A RECIPROCATING PUMP IN SAID CONDUIT FOR PUMPING LIQUID FROM SAID RESERVOIR TO SAID CYLINDER, A RECIPROCATING PISTON DISPOSED OPERATIVELY IN SAID CYLINDER A CATALYST MOUNTED ON THE HEAD OF SAID PISTON, SAID CATALYST BEING ADAPTED TO PROMOTE DECOMPOSITION OF HYDROGEN PEROXIDE, AN EARTH BORING MEANS SECURED TO AND ACTUATED BY SAID PISTON MOUNTED TO MOVE RELATIVE TO SAID CYLINDER, SAID BORING MEANS BEING DISPOSED TO EXTEND INTO BORING RELATION WITH THE EARTH FORMATION, A PUSHPIN FOR ACTUATING SAID RECIPROCATING PUMP, SAID PUSHPIN BEING ACTUATED BY SAID RECIPROCATING PISTON AND A COMPRESSIONP SPRING BIASING SAID RECIPROCATING PISTON TO THE TOP OF SAID CYLINDER FOR ACTUATING SAID PUSHPIN
Claim 2
Dependent Claim
190 words
AN EARTH BORING DRILL FOR DRILLING DEEP WELLS COMPRISING, IN COMBINATION, A BODY MEMBER HAVING A FLUID-TIGHT RESERVOIR ATTACHED AT ITS UPPER END, A QUANTITY OF HYDROGEN PEROXIDE POWER LIQUID IN SAID RESERVOIR, A CYLINDER ATTACHED TO THE LOWER END OF SAID BODY MEMBER A CONDUIT LEADING FROM SAID RESERVOIR TO SAID CYLINDER, AN EXHAUST PORT IN THE WALL OF SAID CYLINDER, SAID BODY MEMBER, RESERVOIR AND CYLINDER BEING DISPOSED ALONG A COMMON AXIS AND BEING ADAPTED TO BE LOWERED INTO A WELL, A RECIPROCATING PUMP IN SAID CONDUIT FOR PUMPING LIQUID FROM SAID RESERVOIR TO SAID CYLINDER, A RECIPROCATING PISTON DISPOSED OPERATIVELY IN SAID CYLINDER A CATALYST MOUNTED ON THE HEAD OF SAID PISTON, SAID CATALYST BEING ADAPTED TO PROMOTE DECOMPOSITION OF HYDROGEN PEROXIDE, AN EARTH BORING MEANS SECURED TO AND ACTUATED BY SAID PISTON MOUNTED TO MOVE RELATIVE TO SAID CYLINDER, SAID BORING MEANS BEING DISPOSED TO EXTEND INTO BORING RELATION WITH THE EARTH FORMATION, A PUSHPIN FOR ACTUATING SAID RECIPROCATING PUMP, SAID PUSHPIN BEING ACTUATED BY SAID RECIPROCATING PISTON AND A COMPRESSIONP SPRING BIASING SAID RECIPROCATING PISTON TO THE TOP OF SAID CYLINDER FOR ACTUATING SAID PUSHPIN
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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |