Patent US2499566A successfully refreshed from Google Patents.
US2499566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead base alloy body and process of producing same
Assignee: AT&T Inc
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Filing: 1945-06-08
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Granted: 1950-03-07
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Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 George M Bouton
- 👤 Karl M Olsen
- 👤 Earle E Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:48
CPC Classifications
C; C22; C22C; C22C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THE PROCESS OF PRODUCING A BODY OF A LEAD BASE ALLOY OF IMPROVED PHYSICAL PROPERTIES, COMPRISING MECHANICALLY DEFORMING AT A TEMPERATURE NOT GREATER THAN ABOUT 100*C. A BODY OF A LEAD BASE ALLOY CONSISTING BY WEIGHT OF ABOUT 0.004 PER CENT TO ABOUT 0.15 PER CENT OF SILVER, ABOUT 0.001 PER CENT TO ABOUT 0.3 PER CENT OF A TOTAL OF OTHER CONSTITUENTS COMMONLY FOUND AS IMPURITIES IN COMMERCIAL LEADS, AND THE REMAINDER LEAD; HEATING SAID BODY OF ALLOY TO A TEMPERATURE BELOW THE MELTING POINT OF THE ALLOY BUT ABOVE THAT AT WHICH THE SILVER FORMS A SOLID SOLUTION IN THE ALLOY, AND QUENCHING SAID BODY OF ALLOY.
Claim 2
Dependent Claim
109 words
THE PROCESS OF PRODUCING A BODY OF A LEAD BASE ALLOY OF IMPROVED PHYSICAL PROPERTIES, COMPRISING MECHANICALLY DEFORMING AT A TEMPERATURE NOT GREATER THAN ABOUT 100*C. A BODY OF A LEAD BASE ALLOY CONSISTING BY WEIGHT OF ABOUT 0.004 PER CENT TO ABOUT 0.15 PER CENT OF SILVER, ABOUT 0.001 PER CENT TO ABOUT 0.3 PER CENT OF A TOTAL OF OTHER CONSTITUENTS COMMONLY FOUND AS IMPURITIES IN COMMERCIAL LEADS, AND THE REMAINDER LEAD; HEATING SAID BODY OF ALLOY TO A TEMPERATURE BELOW THE MELTING POINT OF THE ALLOY BUT ABOVE THAT AT WHICH THE SILVER FORMS A SOLID SOLUTION IN THE ALLOY, AND QUENCHING SAID BODY OF ALLOY.
References Cited (Backward Citations)
US1674956A
Cited
US1675644A
Cited
US1890014A
Cited
US2189064A
Cited
GB538295A
Cited
US2375755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |