US3844967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferroelastic materials
Assignee: EIDP Inc
•
Filing: 1972-10-27
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Granted: 1974-10-29
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Expires: 1992-10-27
Abstract
Abstract Compositions of the formula
Inventors
- 👤 L Brixner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:13
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/0009; G02F1/0018; G02F1/0027; C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/45; C30; C30B; C30B15/00; C30B29/00; C30B29/10; C30B29/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
5 words
A COMPOSITION HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOSITION HAVING THE FORMULA
Claim 3
Dependent Claim
12 words
A composition of claim 1 in the form of a single crystal.
Claim 4
Dependent Claim
12 words
A composition of claim 1 wherein x is from 0.6 to 0.8.
Claim 5
Dependent Claim
12 words
A composition of claim 3 in the form of a single crystal.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |