US3415936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bactericide for brine injection
Assignee: Phillips Petroleum Co
•
Filing: 1963-11-26
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Granted: 1968-12-10
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Donald O Hitzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:57
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/605; A; A01; A01N; A01N35/00; A01N35/08; A01N49/00; Y; Y10; Y10S; Y10S507/00; Y10S507/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |