US3461282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating illuminator
Assignee: Johns Hopkins University
•
Filing: 1966-08-19
•
Granted: 1969-08-12
•
Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 Miguel Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:53
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/30; A61B90/36; F; F21; F21V; F21V14/00; F21V14/02; F21V14/06; F21W; F21W2131/00; F21W2131/20; F21W2131/205; F21W2131/40; F21W2131/406
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1965865A
Cited
US2340530A
Cited
US2344263A
Cited
US2468565A
Cited
US2914660A
Cited
US2913572A
Cited
US3112075A
Cited
US3187173A
Cited
US3188460A
Cited
US3299884A
Cited
US3278738A
Cited
US3377917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |