Patent US3409079A successfully refreshed from Google Patents.
US3409079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for consolidating incompetent formations
Assignee: Gulf Research and Development Co
•
Filing: 1965-07-09
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Granted: 1968-11-05
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Fred W Burtch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:28
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126959A
Cited
US2399055A
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US2378817A
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US2796934A
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US2787325A
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US3121462A
Cited
US3024215A
Cited
US3199590A
Cited
US3330350A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |