Patent US2838433A successfully refreshed from Google Patents.
US2838433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering flux
Assignee: Texaco Inc
•
Filing: 1955-12-02
•
Granted: 1958-06-10
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ribera Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:47
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF 40-100 WEIGHT PERCENT OF WAX OXIDATE AND 60-0 WEIGHT PERCENT OF AT LEAST ONE HYDROCARBON DILUENT SELECTED FROM THE GROUP CONSISTING OF PETROLEUM OIL AND PETROLATUM, SAID WAX OXIDATE BEING THE PRODUCT OF LIQUID PHASE AIR OXIDATION OF A DEOILED MACROCRYSTALLINE PARAFFIN WAX AT TEMPERATURE OF 230-290*F. AND PRESSURE OF 30-300 P. S. I. G. AND BEING CHARACTERIZED BY A RATIO OF NEUT. NO. TO SAP. NO. BETWEEN ABOUT 0.6 AND 0.65.
Claim 2
Dependent Claim
78 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF 40-100 WEIGHT PERCENT OF WAX OXIDATE AND 60-0 WEIGHT PERCENT OF AT LEAST ONE HYDROCARBON DILUENT SELECTED FROM THE GROUP CONSISTING OF PETROLEUM OIL AND PETROLATUM, SAID WAX OXIDATE BEING THE PRODUCT OF LIQUID PHASE AIR OXIDATION OF A DEOILED MACROCRYSTALLINE PARAFFIN WAX AT TEMPERATURE OF 230-290*F. AND PRESSURE OF 30-300 P. S. I. G. AND BEING CHARACTERIZED BY A RATIO OF NEUT. NO. TO SAP. NO. BETWEEN ABOUT 0.6 AND 0.65.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |