US2646995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazed joint with backing ring
Assignee: Individual
•
Filing: 1948-09-10
•
Granted: 1953-07-28
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Roland J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:59
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035; B23K9/0358
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1758569A
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US1878829A
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US1810825A
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US1980561A
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US1801171A
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US1990077A
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US1934022A
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US1920449A
Cited
US2003488A
Cited
DE627201C
Cited
US2125324A
Cited
US2362505A
Cited
US2537776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |