US3085184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferroelectric devices
Assignee: RCA Corp
•
Filing: 1960-04-12
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Granted: 1963-04-09
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Expires: 1980-04-12
Abstract
No abstract record available.
Inventors
- 👤 Nitsche Rudolf
- 👤 Fatuzzo Ennio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:18
CPC Classifications
H; H01; H01G; H01G7/00; H01G7/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A DEVICE COMPRISING A FERROELECTRIC BODY OF MATERIAL CRYSTALLOGRAPHICALLY ISOMORPHIC WITH TETRAMETHYLAMMONIUM-TRICHLORO-MERCURIATE AND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA: WHEREIN: X IS SELECTED FROM THE GROUP CONSISTING OF NITROGEN, PHOSPHOROUS, ARSENIC, ANTIMONY, AND COMBINATIONS THEREOF,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |