US1337265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic-test-lens frame
Assignee: Bausch and Lomb Inc
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Filing: 1919-01-13
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Granted: 1920-04-20
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Expires: 1939-01-13
Abstract
No abstract record available.
Inventors
- 👤 Poser Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/02; A61B3/028; A61B3/04; G; G02; G02C; G02C13/00; G02C13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-04-20 | 1923-10-20 | 1924-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-04-20 | 1927-10-20 | 1928-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-04-20 | 1931-10-20 | 1932-04-20 | $7700.00 | Window Closed / Lapsed |