Patent US3357458A successfully refreshed from Google Patents.
US3357458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and product for improved resistance to stress corrosion
Assignee: ConocoPhillips Co
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Filing: 1964-08-03
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Granted: 1967-12-12
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Radd
- 👤 Louis H Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:09
CPC Classifications
C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49972; Y10T29/49975
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A PROCESS FOR THE TREATMENT OF A STEEL SUCKER ROD FOR USE IN CORROSIVE ENVIRONMENTS CONTAINING HYDROGEN SULFIDE WHICH COMPRISES SKINNING-OFF BY MECHANICAL TREATMENT SUBSTANTIALLY ALL OXIDE-DEFECTIVE AND DECARBURIZED
Claim 2
Dependent Claim
29 words
A PROCESS FOR THE TREATMENT OF A STEEL SUCKER ROD FOR USE IN CORROSIVE ENVIRONMENTS CONTAINING HYDROGEN SULFIDE WHICH COMPRISES SKINNING-OFF BY MECHANICAL TREATMENT SUBSTANTIALLY ALL OXIDE-DEFECTIVE AND DECARBURIZED
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |