US3373441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser speed detector
Assignee: Individual
•
Filing: 1966-06-17
•
Granted: 1968-03-12
•
Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Zadig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:25
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S17/50; G02; G02B; G02B23/00; G02B23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SPEED DETECTOR COMPRISING A LASER FOR THE GENERATION OF A NARROW COHERENT BEAM OF LIGHT, MEANS FOR PROJECTING SAID LIGHT TOWARDS A TARGET VEHICLE, MEANS FOR RECEIVING A PORTION OF SAID TRANSMITTED LIGHT REFLECTED FROM SAID TARGET VEHICLE, MEANS FOR MIXING SAID RECEIVED REFLECTED LIGHT WITH A PORTION OF SAID GENERATED BEAM, PHOTODETECTOR MEANS TO DIRECT THE BEAT FREQUENCY GENERATED AS A RESULT OF MIXING SAID REFLECTED AND SAID GENERATED BEAMS, INDICATOR MEANS TO INDICATE THE TARGET SPEED IN RESPONSE TO
Claim 2
Dependent Claim
82 words
A SPEED DETECTOR COMPRISING A LASER FOR THE GENERATION OF A NARROW COHERENT BEAM OF LIGHT, MEANS FOR PROJECTING SAID LIGHT TOWARDS A TARGET VEHICLE, MEANS FOR RECEIVING A PORTION OF SAID TRANSMITTED LIGHT REFLECTED FROM SAID TARGET VEHICLE, MEANS FOR MIXING SAID RECEIVED REFLECTED LIGHT WITH A PORTION OF SAID GENERATED BEAM, PHOTODETECTOR MEANS TO DIRECT THE BEAT FREQUENCY GENERATED AS A RESULT OF MIXING SAID REFLECTED AND SAID GENERATED BEAMS, INDICATOR MEANS TO INDICATE THE TARGET SPEED IN RESPONSE TO
References Cited (Backward Citations)
US3148015A
Cited
US3222682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |