US3050860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens measuring instrument
Assignee: Individual
•
Filing: 1959-06-09
•
Granted: 1962-08-28
•
Expires: 1979-06-09
Abstract
No abstract record available.
Inventors
- 👤 Allan E Kosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:37
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US89919A
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US1292121A
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US1336040A
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US2018630A
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US2088914A
Cited
CH233331A
Cited
US2535633A
Cited
US2600809A
Cited
US2688878A
Cited
US2848923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |