Patent US3268718A successfully refreshed from Google Patents.
US3268718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light reflector assembly
Assignee: SCM Corp
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Filing: 1963-05-09
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Granted: 1966-08-23
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Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Ostensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:40
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/54; G03B27/542; F; F21; F21V; F21V19/00; F21V19/0075; F21V19/008; F21V19/0085; F21V29/00; F21V29/50; F21V29/502; F21V29/505; F21V7/00; F21V7/005; F21W; F21W2131/00; F21W2131/40; F21W2131/402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A LIGHT REFLECTOR ASSEMBLY FOR A PHOTOCOPY MACHINE COMPRISING: (A) AN ELONGATED HOUSING HAVING A HIGHLY REFLECTIVE INNER SURFACE SHAPED TO HAVE THE GENERAL CONFIGURATION OF A PARABOLA IN TRANSVERSE CROSS-SECTION AND HAVING A STRAIGHT LONGITUDINAL AXIS AND A CHANNEL SHAPED RECESS CONTAINING AT LEAST THREE AXIALLY SPACED THROUGH APERTURES AT THE VERTEX; (B) A LIGHT SOURCE INCLUDING A PAIR OF AXIALLY SPACED LAMPS EACH HAVING A CYLINDRICAL SHAPED ENVELOPE WALL HAVING A LONGITUDINAL AXIS PARALLEL TO THE HOUSING AXIS AND LOCATED APPROXIMATELY THE FOCAL POINT OF THE REFLECTIVE SURFACE, THE ENVELOPE WALL OF EACH OF SAID LAMPS EXTENDING TOWARD BUT BEING SPACED FROM THE WALLS OF SAID RECESS, THE DIAMETER OF THE CYLINDRICAL ENVELOPE WALL OF EACH OF SAID LAMPS BEING SUBSTANTIALLY EQUAL TO THE WIDTH OF THE CHANNEL SHAPE RECESS; (C) CONTACT TERMINALS ON OPPOSITE ENDS OF EACH OF SAID LAMPS; AND (D) CONTACT MEANS EXTENDING THROUGH SAID SPACED APERTURES AND BEING ELECTRICALLY INSULATED FROM THE WALLS OF SAID APERTURES IN SAID HOUSING FOR MOUNTING SAID LAMPS SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID HOUSING IN AXIALLY SPACED RELATIONSHIP WITHIN SAID HOUSING.
Claim 2
Dependent Claim
185 words
A LIGHT REFLECTOR ASSEMBLY FOR A PHOTOCOPY MACHINE COMPRISING: (A) AN ELONGATED HOUSING HAVING A HIGHLY REFLECTIVE INNER SURFACE SHAPED TO HAVE THE GENERAL CONFIGURATION OF A PARABOLA IN TRANSVERSE CROSS-SECTION AND HAVING A STRAIGHT LONGITUDINAL AXIS AND A CHANNEL SHAPED RECESS CONTAINING AT LEAST THREE AXIALLY SPACED THROUGH APERTURES AT THE VERTEX; (B) A LIGHT SOURCE INCLUDING A PAIR OF AXIALLY SPACED LAMPS EACH HAVING A CYLINDRICAL SHAPED ENVELOPE WALL HAVING A LONGITUDINAL AXIS PARALLEL TO THE HOUSING AXIS AND LOCATED APPROXIMATELY THE FOCAL POINT OF THE REFLECTIVE SURFACE, THE ENVELOPE WALL OF EACH OF SAID LAMPS EXTENDING TOWARD BUT BEING SPACED FROM THE WALLS OF SAID RECESS, THE DIAMETER OF THE CYLINDRICAL ENVELOPE WALL OF EACH OF SAID LAMPS BEING SUBSTANTIALLY EQUAL TO THE WIDTH OF THE CHANNEL SHAPE RECESS; (C) CONTACT TERMINALS ON OPPOSITE ENDS OF EACH OF SAID LAMPS; AND (D) CONTACT MEANS EXTENDING THROUGH SAID SPACED APERTURES AND BEING ELECTRICALLY INSULATED FROM THE WALLS OF SAID APERTURES IN SAID HOUSING FOR MOUNTING SAID LAMPS SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID HOUSING IN AXIALLY SPACED RELATIONSHIP WITHIN SAID HOUSING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |