US3201579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated building and sign
Assignee: NORTHWESTERN REFINING CO
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Filing: 1963-07-11
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Granted: 1965-08-17
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert J Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:07
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/006; F21S; F21S19/00; F21S19/005; F21V7/00; F21V7/0008; F21S11/00; Y; Y10; Y10S; Y10S362/00; Y10S362/812
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
268 words
AN ILLUMINATED BUILDING STRUCTURE COMPRISING A PAIR OF RELATIVELY ANGULARLY DISPOSED PLANE ROOF SECTIONS INTERSECTING EACH OTHER ALONG A HORIZONTAL LINE TO FORM A ROOF SECTING EACH OTHER ALONG A HORIZONTAL LINE TO FORM A ROOF UPWARDLY SYMMETRICALLY TO THE VERTICAL PLANE OF SAID LINE, SAID ROOF SECTIONS HAVING LIGHT REFLECTING LOWER SURFACES, SUPORTING MEANS FOR SAID ROOF SECTIONS COMPRISING A PAIR OF RELATIVELY SPACED PARALLEL ROWS OF COLUMSN DISPOSED SYMMETRICALLY ON OPPOSITE SIDES OF SAID VERTICAL PLANE, A HORIZONTAL STRINGER EXTENDING ALONG AND INTERCONNECTING THE UPPER ENDS OF THE COLUMNS OF EACH SAID ROW, THE ROOF SECTIONS RESPECTIVELY BEING SUPPORTED BY AND SECURED TO SAID STRINGERS, EACH ROOF SECTIONS OVERLYING ONE OF SAID STRINGERS, A LONTIDUNAL STRUCTURAL MEMBER SUPPORTED BY EACH SAID ROW OF COLUMNS BENEATH ONE OFSAID STRINGERS AND ITS OVERLYING ROOF SECTION AND IN THE PLANE OF THE RELARIVELY REMOTE SAID ROOF SECTION, A PLURALITY OF BANKS OF LIGHTS SUPPORTED BENEATH SAID ROOF SECTIONS, EACH SAID LIGHT BANK COMPRISING A RIGID OPEN RECTANGULAR FRAME DIS POSED BENEATH OENE OF SAID ROOF SECTIONS IN THE SAME PLANE AS AND CONSTITUTING A VISUAL EXTENSION OF THE OTHER SAID ROOF SECTION, AND A PLURALITY OF RELATIVELY SPACED PARALLEL FLUROESCENT LIGHT TUBES IN SAID FRAMES, EACH SAID FRAME BEING SECURED TO THE ROOF SUBSTANTIALLY ALONG SAID LINE OF INTERSECTION AND SECURED TO ONE OF SAID LONGITUDINAL STRUCTURAL MEMBERS TO COOPERATE WITH ONE OF SAID ROOF SECTIONS AND ITS SUPPORTING COLUMNS IN DEFINING A RIGID STRUCTURAL TRIANGLE, WHEREBY THE LIGHTS FROM SAID TUBES MIAY BE REFLECTED LATERALLY OUTWARDLY BETWEEN SAID COLUMNS BY THE SAID LOWER SURFACES OF THE ROOF SECTIONS.
References Cited (Backward Citations)
US1764639A
Cited
US1886654A
Cited
US1973858A
Cited
DE631798C
Cited
US1977029A
Cited
US2308726A
Cited
US3059102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |