US3274593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Height finding radar system
Assignee: Individual
•
Filing: 1953-03-26
•
Granted: 1966-09-20
•
Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Varela
- 👤 Elvin E Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:25
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
TARGET LOCATING APPARATUS COMPRISING A RADIO TRANSMITTER FOR RADIATING ENERGY IN A SELECTED DIRECTION, A RECEIVING ANTENNA ARRAY PROVIDING MORE THAN TWO STACKEDBEAM PATTERNS WITH AN OVERLAP ON ADJACENT BEAMS FOR RECEIVING SAID ENERGY AFTER REFLECTION FROM A REMOTE TARGET, LOGARITHMIC COMPARISON MEANS COUPLED TO SAID ANTENNA ARRAY FOR GENERATING RESPECTIVE VOLTAGES PROPORTIONAL TO THE RELATIVE AMPLITUDE OF INSTANTANEOUS ENERGY RECEIVED
Claim 2
Dependent Claim
61 words
TARGET LOCATING APPARATUS COMPRISING A RADIO TRANSMITTER FOR RADIATING ENERGY IN A SELECTED DIRECTION, A RECEIVING ANTENNA ARRAY PROVIDING MORE THAN TWO STACKEDBEAM PATTERNS WITH AN OVERLAP ON ADJACENT BEAMS FOR RECEIVING SAID ENERGY AFTER REFLECTION FROM A REMOTE TARGET, LOGARITHMIC COMPARISON MEANS COUPLED TO SAID ANTENNA ARRAY FOR GENERATING RESPECTIVE VOLTAGES PROPORTIONAL TO THE RELATIVE AMPLITUDE OF INSTANTANEOUS ENERGY RECEIVED
References Cited (Backward Citations)
US2433332A
Cited
US2553294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |