US3390104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistor compositions, elements and method of making same
Assignee: International Business Machines Corp
•
Filing: 1965-07-16
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Granted: 1968-06-25
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Lewis F Miller
- 👤 Jr Kenneth E Neisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:46
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06573; H01C17/06586; H01C17/06593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2950996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |