Patent US3998329A successfully refreshed from Google Patents.
US3357093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering with solder flux which leaves corrosion-resistant coating
Assignee: Individual
•
Filing: 1965-05-21
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Granted: 1967-12-12
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:14
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3615; B23K35/3616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A METHOD OF SOLDERING METAL IN WHICH A CORROSIONRESISTANT COATING IS PROVIDED, WHICH COMPRISES APPLYING MOLTEN SOLDER TO THE METAL IN THE PRESENCE OF A FLUXING AGENT WHICH IS A HYDRAZINE MONOPERFLUORO ALKANOATE.
Claim 2
Independent Claim
33 words
A METHOD OF SOLDERING METAL IN WHICH A CORROSIONRESISTANT COATING IS PROVIDED, WHICH COMPRISES APPLYING MOLTEN SOLDER TO THE METAL IN THE PRESENCE OF A FLUXING AGENT WHICH IS A HYDRAZINE MONOPERFLUORO ALKANOATE.
References Cited (Backward Citations)
US2612459A
Cited
US2672479A
Cited
US2756497A
Cited
US2829998A
Cited
US3174220A
Cited
US3305406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |