Patent US3198631A successfully refreshed from Google Patents.
US3198631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medium duty, wear resistant machine element
Assignee: Individual
•
Filing: 1961-05-01
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Granted: 1965-08-03
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Dougles E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:01
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A WEAR RESISTANT VALVE MEMBER FOR AN INTERNAL COMBUSTION ENGINE FORMED OF AN ALLOY HAVING THE FOLLOWING COMPOSITION:
Claim 2
Dependent Claim
18 words
A WEAR RESISTANT VALVE MEMBER FOR AN INTERNAL COMBUSTION ENGINE FORMED OF AN ALLOY HAVING THE FOLLOWING COMPOSITION:
References Cited (Backward Citations)
CA545377A
Cited
US1745360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |