US3398032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cermet resistors by etching
Assignee: International Business Machines Corp
•
Filing: 1964-11-27
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Granted: 1968-08-20
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Glang Reinhard
- 👤 Jr Arthur E Lessor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:06
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/075; H01C17/08; C; C23; C23F; C23F1/00; C23F1/02; H01B; H01B1/00; H01C7/00; Y; Y10; Y10S; Y10S148/00; Y10S148/051; Y10S148/106; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3135638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |