Patent US3250849A successfully refreshed from Google Patents.
US3250849A
Expired / Lapsed
US
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Electrical connection
Assignee: Morgan Refractories Ltd
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Filing: 1963-08-06
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Granted: 1966-05-10
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Expires: 1983-08-06
Abstract
No abstract record available.
Inventors
- 👤 Cox Shaun Maturin
- 👤 Ferry Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:39
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02; H05B3/03; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H01R; H01R4/00; H01R4/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A CONTACT MATERIAL FOR USE IN ESTABLISHING ELECTRICAL CONTACT BETWEEN TWO ELECTRICALLY CONDUCTING MEMBERS ADAPTED TO OPERATE AT HIGH TEMPERATURES AND HAVING A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING COMPOSITIONS, IN WHICH THE PERCENTAGES ARE BY WEIGHT:
Claim 2
Dependent Claim
40 words
A CONTACT MATERIAL FOR USE IN ESTABLISHING ELECTRICAL CONTACT BETWEEN TWO ELECTRICALLY CONDUCTING MEMBERS ADAPTED TO OPERATE AT HIGH TEMPERATURES AND HAVING A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF THE FOLLOWING COMPOSITIONS, IN WHICH THE PERCENTAGES ARE BY WEIGHT:
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |