US3261349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoscope
Assignee: American Hospital Supply Corp
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Filing: 1963-08-29
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Granted: 1966-07-19
•
Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00163; A61B1/00195; A61B1/06; A61B1/0607; A61B1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN AN ENDOSCOPIC INSTRUMENT FOR THE EXAMINATION OF INTERNAL ORIFICES THE IMPROVEMENT COMPRISING FIRST AND SECOND RIGID CONCENTRIC TUBES DEFINING AN ANNULAR SPACE BETWEEN THEM, A PLURALITY OF OPTIC FIBERS DISPOSED IN SAID ANNULAR SPACE, SAID FIBERS AND SAID TUBES BEING RIGIDLY ADHERED TOGETHER ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID INSTRUMENT, THE PROXIMAL ENDS OF SAID OPTIC FIBERS EXTENDING ADJACENT THE PROXIMAL ENDS OF SAID TUBES BEING
Claim 2
Dependent Claim
68 words
IN AN ENDOSCOPIC INSTRUMENT FOR THE EXAMINATION OF INTERNAL ORIFICES THE IMPROVEMENT COMPRISING FIRST AND SECOND RIGID CONCENTRIC TUBES DEFINING AN ANNULAR SPACE BETWEEN THEM, A PLURALITY OF OPTIC FIBERS DISPOSED IN SAID ANNULAR SPACE, SAID FIBERS AND SAID TUBES BEING RIGIDLY ADHERED TOGETHER ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID INSTRUMENT, THE PROXIMAL ENDS OF SAID OPTIC FIBERS EXTENDING ADJACENT THE PROXIMAL ENDS OF SAID TUBES BEING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |