US3025174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass for making electrodes for determining ph-values
Assignee: BASF Schweiz AG
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Filing: 1959-10-15
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Granted: 1962-03-13
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Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Simon Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/18; G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
GLASS WHICH CONSISTS ESSENTIALLY OF 63% SIO2, 25% LI2O, 8% BAO AND 4% GEO2.
Claim 2
Dependent Claim
14 words
GLASS WHICH CONSISTS ESSENTIALLY OF 63% SIO2, 25% LI2O, 8% BAO AND 4% GEO2.
References Cited (Backward Citations)
US2763559A
Cited
US2739901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |