US3455388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fracturing and enlarging the fracture with acid
Assignee: Gulf Research and Development Co
•
Filing: 1966-11-10
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Granted: 1969-07-15
•
Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jimmie L Huitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:36
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/27; C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23733E
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US2699213A
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US3131146A
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US3022249A
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US3167123A
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US3285340A
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US3374835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |