US3116022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spotlight
Assignee: Individual
•
Filing: 1960-05-26
•
Granted: 1963-12-31
•
Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ariel R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:17
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/70; F21V29/74; F21V29/76; F21V29/763; F21V11/00; F21V11/16; F21V11/18; F21V29/745; F21V5/00; F21V5/008; F21V14/00; F21V14/06; F21V19/00; F21V19/04; F21V21/00; F21V21/14; F21V21/30; F21W; F21W2131/00; F21W2131/40; F21W2131/406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A SPOTLIGHT COMPRISING AN ILLUMINATING ELEMENT WITH A PERIPHERAL EDGE, A TUBULAR SHAPED CASING HAVING A THIN GENERALLY CYLINDRICAL SHAPED OPAQUE WALL, LONGITUDINALLY EXTENDING FINS EXTENDING OUTWARDLY ON SAID WALL AND LONGITUDINALLY EXTENDING MOUNTING STRIPS EXTENDING INWARDLY, SAID WALL FORMING A LONGITUDINALLY EXTENDED CHAMBER FOR SAID ILLUMINATING ELEMENT, SAID MOUNTING STRIPS HAVING RECESS MEANS SUPPORTING SAID ILLUMINATING ELEMENT IN SAID CHAMBER BY FITTING SAID EDGE IN SAID MEANS, SAID RECESS MEANS POSITIONING SAID EDGE IN SPACED RELATION TO SAID WALL TO PROVIDE A CONVECTION PASSAGE BETWEEN SAID WALL AND EDGE FOR PASSING AIR BETWEEN SAID ILLUMINATING ELEMENT AND SAID WALL, CLOSURE MEANS MOUNTED AT OPPOSITE ENDS OF SAID TUBULAR CASING, SAID CLOSURE MEANS EACH HAVING AN ANNULAR RIM RADIALLY SPACED FROM SAID WALL AND A CENTER MEMBER LONGITUDINALLY SPACED FROM THE ENDS OF SAID CASING TO PROVIDE A CONVECTION AIR FLOW PASSAGE BETWEEN SAID CHAMBER AND SAID TUBULAR CASING TO PERMIT THE FLOW OF COOLING AIR PAST THE ILLUMINATING ELEMENT AND BETWEEN THE CLOSURE MEANS AND THE CASING.
Claim 2
Dependent Claim
168 words
A SPOTLIGHT COMPRISING AN ILLUMINATING ELEMENT WITH A PERIPHERAL EDGE, A TUBULAR SHAPED CASING HAVING A THIN GENERALLY CYLINDRICAL SHAPED OPAQUE WALL, LONGITUDINALLY EXTENDING FINS EXTENDING OUTWARDLY ON SAID WALL AND LONGITUDINALLY EXTENDING MOUNTING STRIPS EXTENDING INWARDLY, SAID WALL FORMING A LONGITUDINALLY EXTENDED CHAMBER FOR SAID ILLUMINATING ELEMENT, SAID MOUNTING STRIPS HAVING RECESS MEANS SUPPORTING SAID ILLUMINATING ELEMENT IN SAID CHAMBER BY FITTING SAID EDGE IN SAID MEANS, SAID RECESS MEANS POSITIONING SAID EDGE IN SPACED RELATION TO SAID WALL TO PROVIDE A CONVECTION PASSAGE BETWEEN SAID WALL AND EDGE FOR PASSING AIR BETWEEN SAID ILLUMINATING ELEMENT AND SAID WALL, CLOSURE MEANS MOUNTED AT OPPOSITE ENDS OF SAID TUBULAR CASING, SAID CLOSURE MEANS EACH HAVING AN ANNULAR RIM RADIALLY SPACED FROM SAID WALL AND A CENTER MEMBER LONGITUDINALLY SPACED FROM THE ENDS OF SAID CASING TO PROVIDE A CONVECTION AIR FLOW PASSAGE BETWEEN SAID CHAMBER AND SAID TUBULAR CASING TO PERMIT THE FLOW OF COOLING AIR PAST THE ILLUMINATING ELEMENT AND BETWEEN THE CLOSURE MEANS AND THE CASING.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |