US3302012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting system utilizing the floodlight principle
Assignee: Dornier Werke GmbH
•
Filing: 1964-06-26
•
Granted: 1967-01-31
•
Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Reppisch Hellmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:00
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/02; H03J1/04; H03J1/044; B; B60; B60Q; B60Q3/00; B60Q3/10; B60Q3/14; B60Q3/16; B60Q3/60; B60Q3/62; B60Q3/64; G; G09; G09F; G09F13/00; B60K; B60K2360/00; B60K2360/20; B60K2360/33; B60K2360/336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ILLUMINATING SYSTEM UTILIZING THE FLOODLIGHT PRINCIPLE COMPRISING AN ELONGATED LIGHT-CONDUCTING BODY PROVIDED WITH LIGHT-REFLECTING SURFACES EXTENDING FROM EACH END AND TO THE CENTER OF THE BODY, MEANS FOR PRODUCING LIGHT RAYS AT EACH END OF THE BODY, THE LIGHT RAYS AT ONE END BEING OF DIFFERENT COLOR FROM THE RAYS AT THE OTHER END, SAID LIGHT-REFLECTING SURFACES EACH INCREASING IN WIDTH WITH INCREASING DISTANCE FROM THE RESPECTIVE LIGHT-PRODUCING MEANS TO PROVIDE UNIFORM ILLUMINATION, AND MEANS TO INDEPENDENTLY VARY THE INTENSITY OF EACH LIGHT-PRODUCING MEANS.
Claim 2
Dependent Claim
85 words
AN ILLUMINATING SYSTEM UTILIZING THE FLOODLIGHT PRINCIPLE COMPRISING AN ELONGATED LIGHT-CONDUCTING BODY PROVIDED WITH LIGHT-REFLECTING SURFACES EXTENDING FROM EACH END AND TO THE CENTER OF THE BODY, MEANS FOR PRODUCING LIGHT RAYS AT EACH END OF THE BODY, THE LIGHT RAYS AT ONE END BEING OF DIFFERENT COLOR FROM THE RAYS AT THE OTHER END, SAID LIGHT-REFLECTING SURFACES EACH INCREASING IN WIDTH WITH INCREASING DISTANCE FROM THE RESPECTIVE LIGHT-PRODUCING MEANS TO PROVIDE UNIFORM ILLUMINATION, AND MEANS TO INDEPENDENTLY VARY THE INTENSITY OF EACH LIGHT-PRODUCING MEANS.
References Cited (Backward Citations)
US2627837A
Cited
FR31104E
Cited
US2140972A
Cited
US2121132A
Cited
US2207117A
Cited
US2188821A
Cited
US2537971A
Cited
US2507035A
Cited
US2452294A
Cited
US2553285A
Cited
US2589569A
Cited
US2689948A
Cited
US2918034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |