US3553827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermocouples
Assignee: Baj Vickers Ltd
•
Filing: 1968-01-09
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Granted: 1971-01-12
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Expires: 1988-01-09
Abstract
Abstract HOT JUNCTIONS FOR THERMOCOUPLES FOR USE AT HIGH TEMPERATURES ARE MADE BY WELDING THE TWO LEGS OF THE JUNCTION TO AN INTERMEDIATE METAL MEMBER AND THEN MELTING THE METAL MEMBER.
Inventors
- 👤 Brian Baker
- 👤 Alan Anthony Beynon
- 👤 Richard William Husselby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:59
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49194; Y10T29/49201; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |