US2974072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor connection fabrication
Assignee: International Business Machines Corp
•
Filing: 1958-06-27
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Granted: 1961-03-07
•
Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Genser Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:29
CPC Classifications
H; H10; H10D; H10D99/00; C; C30; C30B; C30B31/00; C30B31/04; C30B31/06; H10D1/00; H10D1/40; H10D48/00; H10D48/30; H10D48/38; H10P; H10P32/00; H10P32/10; H10P32/12; H10P32/17; H10P32/171; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S438/00; Y10S438/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2849343A
Cited
US2854366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |