US2529879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ophthalmic mounting
Assignee: Individual
•
Filing: 1948-04-03
•
Granted: 1950-11-14
•
Expires: 1968-04-03
Abstract
No abstract record available.
Inventors
- 👤 Monroe B Levoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:12
CPC Classifications
G; G02; G02C; G02C1/00; G02C1/06; G02C1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426422A
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US752944A
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US710015A
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US989218A
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US1022653A
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US1171419A
Cited
US1779789A
Cited
GB369904A
Cited
US1953922A
Cited
US2210507A
Cited
US2225625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |