Patent US3090379A successfully refreshed from Google Patents.
US3090379A
Expired / Lapsed
US
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Illuminated endoscope
Assignee: —
•
Filing: —
•
Granted: 1963-05-21
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Expires: 1980-05-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:56
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/06; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00096; A61B1/00163; A61B1/00174; A61B1/00177; A61B1/0607; A61B1/0615; A61B1/0661; A61B1/0669; A61B1/07; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ENDOSCOPE COMPRISING IN COMBINATION, AN ELONGATED TUBE, OBJECTIVE LENS MEANS IN THE FORWARD END OF SAID TUBE, A LIGHT SOURCE LOCATED CONCENTRICALLY AROUND SAID LENS MEANS FOR RADIATING LIGHT THROUGH 360*, A PERIPHERAL WINDOW MOUNTED ON THE FORWARD PORTION OF SAID TUBE ENCLOSING SAID LIGHT SOURCE, AN INTERMEDIATE WALL SEPARATING SAID LIGHT SOURCE FROM SAID OBJECTIVE LENS MEANS AND PREVENTING THE DIRECT RADIATION OF SAID LIGHT SOURCE FROM RADIATING ON SAID OBJECTIVE LENS MEANS, AND REFLECTOR MEANS MOUNTED WITHIN SAID WINDOW ADJACENT SAID OBJECTIVE LENS MEANS AND AXIALLY ROTATABLE RELATIVE TO SAID WINDOW FOR DIRECTING A REFLECTIVE ILLUMINATED OBJECTIVE IMAGE THROUGH SAID LENS MEANS.
Claim 2
Dependent Claim
105 words
AN ENDOSCOPE COMPRISING IN COMBINATION, AN ELONGATED TUBE, OBJECTIVE LENS MEANS IN THE FORWARD END OF SAID TUBE, A LIGHT SOURCE LOCATED CONCENTRICALLY AROUND SAID LENS MEANS FOR RADIATING LIGHT THROUGH 360*, A PERIPHERAL WINDOW MOUNTED ON THE FORWARD PORTION OF SAID TUBE ENCLOSING SAID LIGHT SOURCE, AN INTERMEDIATE WALL SEPARATING SAID LIGHT SOURCE FROM SAID OBJECTIVE LENS MEANS AND PREVENTING THE DIRECT RADIATION OF SAID LIGHT SOURCE FROM RADIATING ON SAID OBJECTIVE LENS MEANS, AND REFLECTOR MEANS MOUNTED WITHIN SAID WINDOW ADJACENT SAID OBJECTIVE LENS MEANS AND AXIALLY ROTATABLE RELATIVE TO SAID WINDOW FOR DIRECTING A REFLECTIVE ILLUMINATED OBJECTIVE IMAGE THROUGH SAID LENS MEANS.
References Cited (Backward Citations)
GB158149A
Cited
US300525A
Cited
US556693A
Cited
US728589A
Cited
GB190123821A
Cited
US2877368A
Cited
US2843112A
Cited
US2932294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |