US3097601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pentolite-dipped cap wells in seismic cans
Assignee: Trojan Powder Co
•
Filing: 1960-07-22
•
Granted: 1963-07-16
•
Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 George L Griffith
- 👤 George A Lyte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/04; G01V1/06; F; F42; F42B; F42B3/00; F42B3/10; F42D; F42D1/00; F42D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE METHOD OF COUNTERACTING LOSS OF SENSITIVITY OF EXPLOSIVES USED IN LAND SEISMIC WORK DUE TO UNDUE PRESSURES SUCH AS HYDROSTATIC HEADS WHEN A TRAIN OF CONNECTED CANS IS USED IN A BORE HOLE IN WHICH CHOSEN SPACED CANS OF SEISMIC EXPOLOSIVE OF THE TRAIN ARE REPLACED BY PRIMER CANS CONTAINING PRIMING MATERIAL, EACH SUCH PRIMER CAN HAVING A CENTRALLY POSITIONED ELONGATED CAP WELL CONTAINER EXTENDING WITHIN THE CAN; WHICH CONSISTS IN COATING, PRIOR TO FILLING THE PRIMER CAN WITH PRIMER MATERIAL, THE OUTSIDE OF THE WALL OF THE PRIMER CAP WELL CONTAINER WITH A SMOOTH THIN COAT OF EVEN THICKNESS OF PENTOLITE EXTENDING FROM THE BOTTOM OF THE WELL CONTAINER UPWARDLY, THE TOTAL WEIGHT OF THE PENTOLITE COATING BEING BETWEEN ONE
Claim 2
Independent Claim
122 words
THE METHOD OF COUNTERACTING LOSS OF SENSITIVITY OF EXPLOSIVES USED IN LAND SEISMIC WORK DUE TO UNDUE PRESSURES SUCH AS HYDROSTATIC HEADS WHEN A TRAIN OF CONNECTED CANS IS USED IN A BORE HOLE IN WHICH CHOSEN SPACED CANS OF SEISMIC EXPOLOSIVE OF THE TRAIN ARE REPLACED BY PRIMER CANS CONTAINING PRIMING MATERIAL, EACH SUCH PRIMER CAN HAVING A CENTRALLY POSITIONED ELONGATED CAP WELL CONTAINER EXTENDING WITHIN THE CAN; WHICH CONSISTS IN COATING, PRIOR TO FILLING THE PRIMER CAN WITH PRIMER MATERIAL, THE OUTSIDE OF THE WALL OF THE PRIMER CAP WELL CONTAINER WITH A SMOOTH THIN COAT OF EVEN THICKNESS OF PENTOLITE EXTENDING FROM THE BOTTOM OF THE WELL CONTAINER UPWARDLY, THE TOTAL WEIGHT OF THE PENTOLITE COATING BEING BETWEEN ONE
References Cited (Backward Citations)
US2063601A
Cited
US2235009A
Cited
US2371879A
Cited
US2395341A
Cited
US2407805A
Cited
US2709407A
Cited
US2913982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |