US2796346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact material
Assignee: Baker and Co Inc
•
Filing: 1955-04-28
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Granted: 1957-06-18
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Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Max J Stumbock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:57
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0237; H01H1/02372; H01H1/02374
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN ELECTRICAL CONTACT MATERIAL COMPOSED OF FROM 0.1 TO 15% CADMIUM OXIDE, FROM 0.01% TO 0.2% OF AN OXIDE TAKEN FROM THE GROUP CONSISTING OF TIN OXIDE, AND INDIUM OXIDE, THE BALANCE BEING SILVER.
Claim 2
Dependent Claim
34 words
AN ELECTRICAL CONTACT MATERIAL COMPOSED OF FROM 0.1 TO 15% CADMIUM OXIDE, FROM 0.01% TO 0.2% OF AN OXIDE TAKEN FROM THE GROUP CONSISTING OF TIN OXIDE, AND INDIUM OXIDE, THE BALANCE BEING SILVER.
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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |