US3605999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulative coated metal substrates and apparatus for holding substrates
Assignee: Aerojet Rocketdyne Inc
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Filing: 1969-07-23
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Granted: 1971-09-20
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Expires: 1989-07-23
Abstract
Abstract A SUBSTRATE ACCORDING TO THIS DISCLOSURE COMPRISES A METALLIC SHEET HAVING AN INSULATIVE LAYER ON ONE SURFACE THEREOF FOR SUPPORTING A MICROCIRCUIT. THE SUBSTRATES PREFERABLY HAVE BEVELED EDGES SO THAT SIMILAR SUBSTRATES MAY BE POSITIONED IN APPARATUS WHEREBY THE BEVELED SIDE EDGES OF THE SUBSTRATE REACT AGAINST BEVELED EDGES OF A SLOT IN THE APPARATUS AND BEVELED EDGES OF CONTIGUOUS SUBSTRATES REACT AGAINST EACH OTHER TO HOLD ALL OF THE SUBSTRATES IN PLACE.
Inventors
- 👤 Seneca G Coon Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:31
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/68; H10W70/6875
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |