US3135047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of welding
Assignee: Standard Oil Co
•
Filing: 1959-11-06
•
Granted: 1964-06-02
•
Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:28
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1990077A
Cited
US2173109A
Cited
US2273154A
Cited
US2336297A
Cited
US2372712A
Cited
US2412271A
Cited
US2895747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |