US2510771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting metal surfaces against hydrogen sulfide corrosion
Assignee: Pure Oil Co
•
Filing: 1946-11-01
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Granted: 1950-06-06
•
Expires: 1966-11-01
Abstract
No abstract record available.
Inventors
- 👤 Donald C Bond
- 👤 Savoy Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:46
CPC Classifications
C; C09; C09D; C09D195/00; Y; Y10; Y10S; Y10S507/00; Y10S507/927; Y10S507/932; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE METHOD OF PROTECTING METAL SURFACES AGAINST HYDROGEN SULFIDE CORROSION COMPRISING, CONTACTING SAID SURFACES WITH A HARD WOOD TAR DISTILLATE AS A PROTECTIVE MATERIAL.
Claim 2
Independent Claim
24 words
THE METHOD OF PROTECTING METAL SURFACES AGAINST HYDROGEN SULFIDE CORROSION COMPRISING, CONTACTING SAID SURFACES WITH A HARD WOOD TAR DISTILLATE AS A PROTECTIVE MATERIAL.
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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |