US3007566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cases for lenses
Assignee: American Optical Corp
•
Filing: 1959-04-13
•
Granted: 1961-11-07
•
Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert S Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:08
CPC Classifications
A; A45; A45C; A45C11/00; A45C11/005; Y; Y10; Y10S; Y10S134/00; Y10S134/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US889352A
Cited
GB191212148A
Cited
US1277210A
Cited
US1547142A
Cited
US2788891A
Cited
US2877779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |