Patent US2656912A successfully refreshed from Google Patents.
US2656912A
Expired / Lapsed
US
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Spectacle case
Assignee: Bausch and Lomb Inc
•
Filing: 1952-07-01
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Granted: 1953-10-27
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Expires: 1972-07-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond F E Stegeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:36
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |