US2979024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fusing contacts onto semiconductive bodies
Assignee: US Philips Corp
•
Filing: 1958-08-08
•
Granted: 1961-04-11
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Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
- 👤 Pellekaan Leendert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:38
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; C; C30; C30B; C30B31/00; C30B31/04; H10D; H10D64/00; H10D64/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1670700A
Cited
US2506047A
Cited
US2857296A
Cited
US2798013A
Cited
US2835615A
Cited
US2879188A
Cited
US2858246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |