US2806808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering fluxes
Assignee: Individual
•
Filing: 1953-02-16
•
Granted: 1957-09-17
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Muetzel Peter Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A LIQUID FLUX COMPOSITION AS FOLLOWS:
Claim 2
Dependent Claim
6 words
A LIQUID FLUX COMPOSITION AS FOLLOWS:
References Cited (Backward Citations)
US812494A
Cited
US804664A
Cited
US1004847A
Cited
US2553226A
Cited
US2493372A
Cited
US2508501A
Cited
US2547771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |