US3495996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic composition,improved electronic devices employing same,and method of fabrication
Assignee: International Business Machines Corp
•
Filing: 1966-05-13
•
Granted: 1970-02-17
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Delaney
- 👤 Richard K Spielberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:15
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/50; C04B35/01; C04B35/46; C04B35/48; C04B35/51
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3279947A
Cited
US2538554A
Cited
US2708244A
Cited
US2956219A
Cited
US3000745A
Cited
US2920971A
Cited
US3277354A
Cited
US3195030A
Cited
US3293077A
Cited
US3405002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |