US3107418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory metal contacts and methods of manufacture
Assignee: McGraw Edison Co
•
Filing: 1958-09-23
•
Granted: 1963-10-22
•
Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edmond B Gorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:35
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; H01H11/045; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/49117; Y10T29/49204; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12076; Y10T428/1216; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096924A
Cited
US2191666A
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US2409307A
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US2540457A
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US2669008A
Cited
US2706759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |