Patent US2503564A successfully refreshed from Google Patents.
US2503564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering composition
Assignee: AT&T Inc
•
Filing: 1944-09-02
•
Granted: 1950-04-11
•
Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 Howard T Reeve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:26
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0222; B23K35/0233; B23K35/0238; B23K35/22; B23K35/24; B23K35/26; B23K35/262; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222; Y10T428/12493; Y10T428/12708; Y10T428/12715; Y10T428/12771; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A DUCTILE AND MALLEABLE SOLDERING COMPOSITION COMPRISING ABOUT 30% OF GOLD, 30% OF SILVER, AND CLOSELY ADJACENT TO THE ALLOYED GOLD AND SILVER BEING ALLOYED TOGETHER AND THE TIN BEING SEPARATE AND CLOSELY ADJACENT TO THE ALLOYED GOLD AND SILVER FOR ALLOYING THEREWITH AT SOLDERING.
Claim 2
Dependent Claim
45 words
A DUCTILE AND MALLEABLE SOLDERING COMPOSITION COMPRISING ABOUT 30% OF GOLD, 30% OF SILVER, AND CLOSELY ADJACENT TO THE ALLOYED GOLD AND SILVER BEING ALLOYED TOGETHER AND THE TIN BEING SEPARATE AND CLOSELY ADJACENT TO THE ALLOYED GOLD AND SILVER FOR ALLOYING THEREWITH AT SOLDERING.
References Cited (Backward Citations)
US150623A
Cited
US1008845A
Cited
US1248506A
Cited
US1699438A
Cited
US2270594A
Cited
US2274863A
Cited
US2189640A
Cited
US2398449A
Cited
US2340362A
Cited
US2362893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |