US2468402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of marking glass
Assignee: Bausch and Lomb Inc
•
Filing: 1945-06-14
•
Granted: 1949-04-26
•
Expires: 1965-06-14
Abstract
No abstract record available.
Inventors
- 👤 Norbert J Kreidl
- 👤 Lewis P Ohliger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:12
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/63; C03; C03C; C03C21/00; C03C21/001; C03C21/005; C09K11/0805; C09K11/085; C09K11/67; C09K11/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1475473A
Cited
US1217490A
Cited
US1302353A
Cited
US1592429A
Cited
US1899760A
Cited
US2030440A
Cited
US2303756A
Cited
US2340013A
Cited
US2355746A
Cited
US2056809A
Cited
US2245783A
Cited
US2270307A
Cited
US2333329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |