US3410638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectacle frame with rear view telescopes and temple mounted optical fiber rods
Assignee: Individual
•
Filing: 1965-12-09
•
Granted: 1968-11-12
•
Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Langworthy James Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
G; G02; G02C; G02C9/00; G02C7/00; G02C7/14; Y; Y10; Y10S; Y10S385/00; Y10S385/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN OPTICAL ASSEMBLY TO PROVIDE A REAR VIEW FOR A PAIR OF EYEGLASSES HAVING A FRAME AND FORWARD VIEW SPECTACLE LENSES, SAID ASSEMBLY COMPRISING AN ELONGATED FUSED GLASS FIBER ROD WHICH HAS A MAJOR SECTION SERVING AS A TEMPLE PIECE MOUNTED PERPENDICULARLY TO THE SPECTACLE LENS FRAME, WITH A MINOR SECTION BEING BENT AT AN ANGLE OF 90* AND EXTENDING ALONG AN UPPER CUT-OUT PORTION OF THE LENS FRAME, A TELESCOPIC LENS ASSEMBLY MOUNTED ON THE REAR END OF THE TEMPLE PIECE FIBER ROD SECTION FOR FOCUSING A REAR VIEW IMAGE ON THE REAR END OF SAID FIBER ROD, VISUAL CORRECTION LENSES MOUNTED ON THE UPPER SPECTACLE LENS RIM FRAME IN AXIAL ALIGNMENT WITH THE BENT INNER END OF SAID FIBER ROD FOR RECEIVING SAID REAR VIEW IMAGE, A PRISM HAVING AN END FACE DISPOSED 45* TO THE
Claim 2
Dependent Claim
138 words
AN OPTICAL ASSEMBLY TO PROVIDE A REAR VIEW FOR A PAIR OF EYEGLASSES HAVING A FRAME AND FORWARD VIEW SPECTACLE LENSES, SAID ASSEMBLY COMPRISING AN ELONGATED FUSED GLASS FIBER ROD WHICH HAS A MAJOR SECTION SERVING AS A TEMPLE PIECE MOUNTED PERPENDICULARLY TO THE SPECTACLE LENS FRAME, WITH A MINOR SECTION BEING BENT AT AN ANGLE OF 90* AND EXTENDING ALONG AN UPPER CUT-OUT PORTION OF THE LENS FRAME, A TELESCOPIC LENS ASSEMBLY MOUNTED ON THE REAR END OF THE TEMPLE PIECE FIBER ROD SECTION FOR FOCUSING A REAR VIEW IMAGE ON THE REAR END OF SAID FIBER ROD, VISUAL CORRECTION LENSES MOUNTED ON THE UPPER SPECTACLE LENS RIM FRAME IN AXIAL ALIGNMENT WITH THE BENT INNER END OF SAID FIBER ROD FOR RECEIVING SAID REAR VIEW IMAGE, A PRISM HAVING AN END FACE DISPOSED 45* TO THE
References Cited (Backward Citations)
FR401027A
Cited
US3216778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |