Patent US2658846A successfully refreshed from Google Patents.
US2658846A
Expired / Lapsed
US
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Soldering flux
Assignee: Individual
•
Filing: 1951-12-12
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Granted: 1953-11-10
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Rosa John A De
- 👤 Chester A Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
A SOLIDERING FLUX COMPRISING IN COMBINATION 70-80 PARTS BY WEIGHT OF LANOLIN AND 20-30 PARTS BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONAMYL ACID ORTHOPHOSPHATE AND MONOAMYL ORTHOPHOSPHORIC ACID.
References Cited (Backward Citations)
US1882567A
Cited
GB400609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |