US3238025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-temperature conductor
Assignee: Atlantic Richfield Co
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Filing: 1962-12-31
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Granted: 1966-03-01
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Wesley W Pendleton
- 👤 Harry L Saums
- 👤 Richard D Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:52
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29; H01B7/292; H01B1/00; H01B1/02; H01B1/026; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12819; Y10T428/12861; Y10T428/12903; Y10T428/12944
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
THE COMPOSITE CONDUCTOR OF CLAIM 1 WHEREIN SAID BARRIER LAYER IS TANTALUM.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |