Patent US2779134A successfully refreshed from Google Patents.
US2779134A
Expired / Lapsed
US
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Semiconductor assembling apparatus
Assignee: GTE Sylvania Inc
•
Filing: 1952-01-03
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Granted: 1957-01-29
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Expires: 1972-01-03
Abstract
No abstract record available.
Inventors
- 👤 Paul E Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:03
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0438; H10D; H10D99/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2481906A
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US2549762A
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US2452652A
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FR951324A
Cited
US2512971A
Cited
US2573553A
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US2599594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |