Patent US3210536A successfully refreshed from Google Patents.
US3210536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire and means for lighting streets
Assignee: Individual
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Filing: 1962-05-28
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Granted: 1965-10-05
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 William B Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:53
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/02; F21S; F21S41/00; F21S41/30; F21S41/37; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V17/00; F21V17/02; F21V7/00; F21V7/22; F21V7/24; F21V7/28; F21W; F21W2131/00; F21W2131/10; F21W2131/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A TRAFFIC WAY LIGHTING MEANS COMPRISING A SERIES OF LUMINAIRES MOUNTED ON STATIONARY SUPPORTS IN AN ELEVATED RELATION TO SAID TRAFFIC WAY, EACH LUMINAIRE COMPRISING AN OPTICAL SYSTEM HAVING REFLECTOR MEANS DISPOSED ON OPPOSITE SIDES OF A LAMP FOR DIRECTING A PRINCIPAL BEAM, THE AXES OF SAID REFLECTOR MEANS BEING DISPOSED TO PROJECT SAID BEAM PARALLEL TO SAID ROADWAY AND SLIGHTLY BELOW THE HORIZONTAL LEVEL OF SAID LUMINAIRE, SAID REFLECTOR MEANS FORMING SAID PRINCIPAL BEAM SUBSTANTIALLY STRONGER THAN THE LIGHT EMANATING FROM SAID REFLECTOR MEANS IN DIRECTIONS OTHER THAN SAID PRINCIPAL BEAM AND AIMED IN THE DIRECTION OF ONCOMING TRAFFIC WITH THE MAXIMUM CONCENTRATION IN THE LANE OF SAID ONCOMING TRAFFIC.
Claim 2
Dependent Claim
111 words
A TRAFFIC WAY LIGHTING MEANS COMPRISING A SERIES OF LUMINAIRES MOUNTED ON STATIONARY SUPPORTS IN AN ELEVATED RELATION TO SAID TRAFFIC WAY, EACH LUMINAIRE COMPRISING AN OPTICAL SYSTEM HAVING REFLECTOR MEANS DISPOSED ON OPPOSITE SIDES OF A LAMP FOR DIRECTING A PRINCIPAL BEAM, THE AXES OF SAID REFLECTOR MEANS BEING DISPOSED TO PROJECT SAID BEAM PARALLEL TO SAID ROADWAY AND SLIGHTLY BELOW THE HORIZONTAL LEVEL OF SAID LUMINAIRE, SAID REFLECTOR MEANS FORMING SAID PRINCIPAL BEAM SUBSTANTIALLY STRONGER THAN THE LIGHT EMANATING FROM SAID REFLECTOR MEANS IN DIRECTIONS OTHER THAN SAID PRINCIPAL BEAM AND AIMED IN THE DIRECTION OF ONCOMING TRAFFIC WITH THE MAXIMUM CONCENTRATION IN THE LANE OF SAID ONCOMING TRAFFIC.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |