US3361891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafer mounting apparatus
Assignee: AT&T Inc
•
Filing: 1964-01-22
•
Granted: 1968-01-02
•
Expires: 1984-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kyle C Whitefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:42
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/046; H05K13/0465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA498228A
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CA532867A
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US2855496A
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US2999299A
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US3051026A
Cited
US3056317A
Cited
US3170059A
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US3161753A
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US3247355A
Cited
US3316382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |