US2561565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of fluxing and joining metal parts
Assignee: RTX Corp
•
Filing: 1946-06-22
•
Granted: 1951-07-24
•
Expires: 1966-06-22
Abstract
No abstract record available.
Inventors
- 👤 Alden P Edson
- 👤 Isaac L Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:07
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1536944A
Cited
US2166109A
Cited
US2157918A
Cited
US2276847A
Cited
US2286298A
Cited
US2438721A
Cited
US2426467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |