Patent US3131690A successfully refreshed from Google Patents.
US3131690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber optics devices
Assignee: American Optical Corp
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Filing: 1962-10-22
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Granted: 1964-05-05
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Innis
- 👤 Stuart R Jaffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/06; A61B1/07; A61B1/0661; A61B1/0669; G; G02; G02B; G02B23/00; G02B23/24; G02B23/26; G02B6/00; G02B6/04; G02B6/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A FLEXIBLE EXTENDED LIGHT SOURCE COMPRISING A BUNDLE OF FLEXIBLE OPTICAL FIBERS OF DIFFERING LENGTH ENCASED IN A FLEXIBLE TRANSLUCENT SHEATH, SAID FIBERS HAVING ALL THEIR ONE ENDS IN ALIGNMENT, A LIGHT SOURCE ARRANGED TO PROJECT A BEAM OF LIGHT AGAINST SAID ONE ENDS, SAID FIBERS TERMINATING AT DIFFERENT POINTS SPACED APART ALONG A SUBSTANTIAL PORTION OF SAID SHEATH, WHEREBY SAID SHEATH IS ILLUMINATED ALONG ITS LENGTH FROM THE END OF THE SHORTEST OF SAID FIBERS TO THE END OF THE LONGEST OF SAID FIBERS.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |