US2493462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting corrosion in wells
Assignee: Stanolind Oil and Gas Co
•
Filing: 1946-12-28
•
Granted: 1950-01-03
•
Expires: 1966-12-28
Abstract
No abstract record available.
Inventors
- 👤 Paul L Menaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE METHOD INHIBITING THE TENDENCY OF CORROSIVE BRINES CONTAINING LOW-BOILING ORGANIC ACIDS TO ATTACK METAL SURFACE WHICH COMPRISES THE STEP OF MIXING WITH SAID BRINES A SMALL AMOUNT OF BONE OIL.
Claim 2
Independent Claim
31 words
THE METHOD INHIBITING THE TENDENCY OF CORROSIVE BRINES CONTAINING LOW-BOILING ORGANIC ACIDS TO ATTACK METAL SURFACE WHICH COMPRISES THE STEP OF MIXING WITH SAID BRINES A SMALL AMOUNT OF BONE OIL.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |