US3309168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perovskites
Assignee: OI Glass Inc
•
Filing: 1963-05-06
•
Granted: 1967-03-14
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Bayer Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
C; C01; C01B; C01B19/00; C01B19/008; C01P; C01P2002/00; C01P2002/30; C01P2002/34; C01P2002/70; C01P2002/72; C01P2002/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A CRYSTALLINE PEROVSKITE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
A CRYSTALLINE PEROVSKITE HAVING THE GENERAL FORMULA
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |