Patent US3269387A successfully refreshed from Google Patents.
US3269387A
Expired / Lapsed
US
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Endoscope with rigid fiberscope illuminating means
Assignee: American Hospital Supply Corp
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Filing: 1963-10-01
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Granted: 1966-08-30
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Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:59
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/267; A61B1/2676; A61B1/06; A61B1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A BRONCHOSCOPE FOR INSERTION INTO AND FOR EXAMINING THE BRONCHI IN THE LUNGS OF A PATIENT, COMPRISING A TUBULAR SHEATH FORMING A CHANNEL THROUGH WHICH A FIELD OF VIEW PRESENTED TO A FENESTRA FORMED AT THE DISTAL END OF SAID SHEATH MAY BE VISUALIZED, MEANS FORMING A PASSAGEWAY EXTENDING ALONG THE PERIMETER OF SAID SHEATH FROM ADJACENT THE DISTAL END TO ADJACENT THE PROXIMAL END THEREOF, A LIGHT ROD REMOVABLY DISPOSED WITHIN SAID PASSAGEWAY, SAID LIGHT ROD COMPRISING AN OUTER TUBE AND A PLURALITY OF LIGHT-CONDUCTING FIBERS DISPOSED WITHIN SAID
Claim 2
Dependent Claim
90 words
A BRONCHOSCOPE FOR INSERTION INTO AND FOR EXAMINING THE BRONCHI IN THE LUNGS OF A PATIENT, COMPRISING A TUBULAR SHEATH FORMING A CHANNEL THROUGH WHICH A FIELD OF VIEW PRESENTED TO A FENESTRA FORMED AT THE DISTAL END OF SAID SHEATH MAY BE VISUALIZED, MEANS FORMING A PASSAGEWAY EXTENDING ALONG THE PERIMETER OF SAID SHEATH FROM ADJACENT THE DISTAL END TO ADJACENT THE PROXIMAL END THEREOF, A LIGHT ROD REMOVABLY DISPOSED WITHIN SAID PASSAGEWAY, SAID LIGHT ROD COMPRISING AN OUTER TUBE AND A PLURALITY OF LIGHT-CONDUCTING FIBERS DISPOSED WITHIN SAID
References Cited (Backward Citations)
US2235979A
Cited
US2544914A
Cited
US2479237A
Cited
US2699770A
Cited
US2932294A
Cited
US3089484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |