Patent US2867567A successfully refreshed from Google Patents.
Patent US2656715A successfully refreshed from Google Patents.
Patent US3020165A successfully refreshed from Google Patents.
US3020165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low viscosity glass compositions
Assignee: Bausch and Lomb Inc
•
Filing: 1960-07-05
•
Granted: 1962-02-06
•
Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Earl K Kavis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:29
CPC Classifications
C; C03; C03C; C03C13/00; C03C13/04; C03C13/045; C03C13/046; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/022; C03B37/023; C03B2201/00; C03B2201/06; C03B2201/08; C03B2201/10; C03B2201/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A GLASS COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS, PERCENT BY WEIGHT, BATCH BASIS:
Claim 2
Dependent Claim
14 words
A GLASS COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING INGREDIENTS, PERCENT BY WEIGHT, BATCH BASIS:
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |