US3477845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver base alloy for making electrical contacts
Assignee: Texas Instruments Inc
•
Filing: 1967-01-03
•
Granted: 1969-11-11
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Comey Jr
- 👤 George Durst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:51
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0021; H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0237; H01H1/02372; H01H1/02374
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2058857A
Cited
US2145690A
Cited
US2241262A
Cited
US2319259A
Cited
US2539298A
Cited
US2796495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |