US3130786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforating apparatus
Assignee: Western Company of North America
•
Filing: 1960-06-03
•
Granted: 1964-04-28
•
Expires: 1980-06-03
Abstract
No abstract record available.
Inventors
- 👤 Brown Robert Wade
- 👤 Albert H Roebuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:36
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PERFORATING APPARATUS OF THE TYPE WHICH IS ADAPTED TO BE POSITIONED IN JUXTAPOSITION WITH AN EARTH FORMATION AND SUPPLIED WITH AN ABRASIVE CARRYING FLUID UNDER PRESSURE, SAID APPARATUS COMPRISING, IN COMBINATION, AN ELONGATED CONDUIT HAVING AT LEAST ONE LATERALLY EXTENDING OPENING THEREIN, INSERT MEANS RIGIDLY POSITIONED IN SAID OPENING, SAID INSERT MEANS INCLUDING AN ELONGATED ORIFICE HAVING ONE END IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID CONDUIT AND HAVING THE OTHER END DISPOSED IN SPACED RELATIONSHIP WITH SAID EARTH FORMATION, WHEREBY ABRASIVE CARRYING FLUID DELIVERED THROUGH SAID CONDUIT TO SAID ORIFICE ERODES A PERFORATION IN SAID EARTH FORMATION, AND MEANS AUTOMATICALLY RESPONSIVE TO THE DELIVERY OF FLUID THROUGH SAID CONDUIT FOR PREVENTING LATERAL MOVEMENT THEREOF RELATIVE TO SAID EARTH FORMATION.
Claim 2
Dependent Claim
122 words
A PERFORATING APPARATUS OF THE TYPE WHICH IS ADAPTED TO BE POSITIONED IN JUXTAPOSITION WITH AN EARTH FORMATION AND SUPPLIED WITH AN ABRASIVE CARRYING FLUID UNDER PRESSURE, SAID APPARATUS COMPRISING, IN COMBINATION, AN ELONGATED CONDUIT HAVING AT LEAST ONE LATERALLY EXTENDING OPENING THEREIN, INSERT MEANS RIGIDLY POSITIONED IN SAID OPENING, SAID INSERT MEANS INCLUDING AN ELONGATED ORIFICE HAVING ONE END IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID CONDUIT AND HAVING THE OTHER END DISPOSED IN SPACED RELATIONSHIP WITH SAID EARTH FORMATION, WHEREBY ABRASIVE CARRYING FLUID DELIVERED THROUGH SAID CONDUIT TO SAID ORIFICE ERODES A PERFORATION IN SAID EARTH FORMATION, AND MEANS AUTOMATICALLY RESPONSIVE TO THE DELIVERY OF FLUID THROUGH SAID CONDUIT FOR PREVENTING LATERAL MOVEMENT THEREOF RELATIVE TO SAID EARTH FORMATION.
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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 |