Patent US6113639A successfully refreshed from Google Patents.
US3278739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminator
Assignee: Bausch and Lomb Inc
•
Filing: 1964-01-02
•
Granted: 1966-10-11
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen F Royka
- 👤 Gilbert J Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0005; G02B6/0006; G02B19/00; G02B19/0004; G02B19/0028; G02B19/0033; G02B19/0047; G02B21/00; G02B21/06; G02B6/0008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN ILLUMINATOR COMPRISING, A SOURCE OF LIGHT RADIATING LIGHT, A BUNDLE OF OPTICAL FIBERS FORMING AN END PORTION DEFINING A LIGHT RECEIVING SURFACE, AN OPTICAL SYSTEM RECEIVING LIGHT FROM SAID SOURCE AND PROJECTING THE LIGHT ON SAID SURFACE, A PLURALITY OF STRANDS OF SAID FIBERS INTEGRAL WITH THE END PORTION OF SAID BUNDLE AND PROVIDING A PLURALITY OF LIGHT PATHS, A LIGHT PROJECTING SURFACE FORMED ON THE EMERGENT END OF EACH OF SAID STRANDS, SUPPORT MEANS ADAPTED FOR MOUNTING ON A MICROSCOPE, SAID SUPPORT MEANS HAVING SEPARATE INDIVIDUAL ELEMENTS SUPPORTING THE LIGHT PROJECTING ENDS OF SAID STRANDS TO THEREBY PROVIDE A PLURALITY OF LIGHTING MEANS FOR ILLUMINATING THE OBJECT OF A MICROSCOPE FROM VARIOUS ANGLES.
Claim 2
Dependent Claim
115 words
AN ILLUMINATOR COMPRISING, A SOURCE OF LIGHT RADIATING LIGHT, A BUNDLE OF OPTICAL FIBERS FORMING AN END PORTION DEFINING A LIGHT RECEIVING SURFACE, AN OPTICAL SYSTEM RECEIVING LIGHT FROM SAID SOURCE AND PROJECTING THE LIGHT ON SAID SURFACE, A PLURALITY OF STRANDS OF SAID FIBERS INTEGRAL WITH THE END PORTION OF SAID BUNDLE AND PROVIDING A PLURALITY OF LIGHT PATHS, A LIGHT PROJECTING SURFACE FORMED ON THE EMERGENT END OF EACH OF SAID STRANDS, SUPPORT MEANS ADAPTED FOR MOUNTING ON A MICROSCOPE, SAID SUPPORT MEANS HAVING SEPARATE INDIVIDUAL ELEMENTS SUPPORTING THE LIGHT PROJECTING ENDS OF SAID STRANDS TO THEREBY PROVIDE A PLURALITY OF LIGHTING MEANS FOR ILLUMINATING THE OBJECT OF A MICROSCOPE FROM VARIOUS ANGLES.
References Cited (Backward Citations)
US2198443A
Cited
US2227861A
Cited
US2589569A
Cited
US2825260A
Cited
US3114283A
Cited
US3163080A
Cited
US3148355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |