US3075462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination projectile and shaped charge well perforating apparatus
Assignee: Halliburton Co
•
Filing: 1959-11-13
•
Granted: 1963-01-29
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Bliss Adamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:25
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/117
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2202887A
Cited
US2336819A
Cited
US2494256A
Cited
US2779278A
Cited
US2873676A
Cited
US2915011A
Cited
US2926603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |