Patent US4000739A successfully refreshed from Google Patents.
US4778247A
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US
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Molded objective head for fiberscopes with integral lenses
Assignee: Warner Lambert Technologies Inc
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Filing: 1987-10-05
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Granted: 1988-10-18
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Expires: 2007-10-05
Abstract
Abstract An objective head for a fiberscope fabricated (cast or molded) from optically clear plastic having lenses molded integrally with the head to form a single piece-part and method of fabrication.
Inventors
- 👤 George J. Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:51
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/26; A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00096; A61B1/0011; A61B1/00163; A61B1/00165; A61B1/00188; A61B1/06; A61B1/07; A61B1/012; A61B1/015; A61B1/018; A61B1/12; A61B1/121
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
118 words
An objective head for an image-transmitting fiberscope useful in medical, veterinary and industrial applications of the type having at the distal or objective end recesses for receiving image and lighting fiber optic bundles and outlet for utility channels such as for air, irrigation, suction and biopsy instruments characterized in that it comprises an optically clear molded plastic structure, free of moving and metallic parts, having at least one recess for receiving and anchoring at least one light guide fiber optic bundle and at least one imaging fiber optic bundle and at least one lens associated with each recess and each fiber optic bundle received therein, the lenses and the head being molded as an integral single piece structure.
Claim 2
Dependent Claim
118 words
An objective head for an image-transmitting fiberscope useful in medical, veterinary and industrial applications of the type having at the distal or objective end recesses for receiving image and lighting fiber optic bundles and outlet for utility channels such as for air, irrigation, suction and biopsy instruments characterized in that it comprises an optically clear molded plastic structure, free of moving and metallic parts, having at least one recess for receiving and anchoring at least one light guide fiber optic bundle and at least one imaging fiber optic bundle and at least one lens associated with each recess and each fiber optic bundle received therein, the lenses and the head being molded as an integral single piece structure.
Claim 3
Dependent Claim
29 words
An objective head according to claim 1 in which the head is formed with at least one utility outlet operable to communicate with a utility channel in a fiberscope.
Claim 4
Dependent Claim
62 words
An objective head according to claim 2 in which one utility channel outlet defines a bore open at one end and substantially closed at the opposite end by a protuberance which is an integral part of the head, said protuberance having an orifice located in a predetermined position effective to direct fluid passing through said bore across the face of said head.
Claim 5
Dependent Claim
11 words
An objective head according to claim 1 molded from polycarbonate resin.
Claim 6
Dependent Claim
11 words
An objective head according to claim 2 molded from polycarbonate resin.
Claim 7
Dependent Claim
11 words
An objective head according to claim 3 molded from polycarbonate resin.
Claim 8
Dependent Claim
17 words
An objective head according to claim 4 having an exterior coating of transparent optically clear scratch-resistant material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |