US3233993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing a vitreous composition
Assignee: Bausch and Lomb Inc
•
Filing: 1962-03-06
•
Granted: 1966-02-08
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Weidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:19
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A CONTAINER FOR PROCESSING A VITREOUS COMPOSITION INCLUDING AN INNER METALLIC SURFACE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF IRIDIUM AND A MINOR PROPORTION OF RHODIUM.
Claim 2
Dependent Claim
26 words
A CONTAINER FOR PROCESSING A VITREOUS COMPOSITION INCLUDING AN INNER METALLIC SURFACE CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF IRIDIUM AND A MINOR PROPORTION OF RHODIUM.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |