Patent US3456072A successfully refreshed from Google Patents.
US3456072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mapping device
Assignee: Individual
•
Filing: 1946-12-16
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Granted: 1969-07-15
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Expires: 1966-12-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander Nyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:11
CPC Classifications
G; G01; G01C; G01C11/00; G01C11/02; G01C11/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN COMBINATION, AN AIRPLANE, AND MOUNTED ON SAID AIRPLANE A NONOSCILLATING CONCAVE MIRROR ADAPTED TO RECEIVE RADIATIONS FROM THE TERRAIN ABOUT TO BE FLOWN OVER, A PLURALITY OF HEAT SENSITIVE ELEMENTS AT THE FOCUS OF SAID MIRROR, MEANS FOR GENERATING AN ELECTRICAL IMPULSE EACH TIME SAID HEAT SENSITIVE ELEMENT RECEIVES A HEAT SIGNAL, A COMMUTATOR FOR COLLECTING THE IMPULSES SO GENERATED, IN PREDETERMINED ORDER AND MEANS ADAPTED TO UNIFORMLY ADVANCE A STRIP OF ELECTRICALLY SENSITIVE PAPER, AN ELECTRICALLY CONDUCTIVE HELIX EXTENDING CROSSWISE OVER SAID PAPER, SAID HELIX BEING ADAPTED TO RECEIVE CURRENT IMPULSES FROM SAID COMMUTATOR AND TO BE ROTATED WITH SAID PAPER CONTINUOUSLY AND TO MARK SAME IN ACCORDANCE WITH THE RECEIVED CURRENT IMPULSES TO IDENTIFY HEAT SIGNALS CAUSING SAID IMPULSES.
Claim 2
Dependent Claim
122 words
IN COMBINATION, AN AIRPLANE, AND MOUNTED ON SAID AIRPLANE A NONOSCILLATING CONCAVE MIRROR ADAPTED TO RECEIVE RADIATIONS FROM THE TERRAIN ABOUT TO BE FLOWN OVER, A PLURALITY OF HEAT SENSITIVE ELEMENTS AT THE FOCUS OF SAID MIRROR, MEANS FOR GENERATING AN ELECTRICAL IMPULSE EACH TIME SAID HEAT SENSITIVE ELEMENT RECEIVES A HEAT SIGNAL, A COMMUTATOR FOR COLLECTING THE IMPULSES SO GENERATED, IN PREDETERMINED ORDER AND MEANS ADAPTED TO UNIFORMLY ADVANCE A STRIP OF ELECTRICALLY SENSITIVE PAPER, AN ELECTRICALLY CONDUCTIVE HELIX EXTENDING CROSSWISE OVER SAID PAPER, SAID HELIX BEING ADAPTED TO RECEIVE CURRENT IMPULSES FROM SAID COMMUTATOR AND TO BE ROTATED WITH SAID PAPER CONTINUOUSLY AND TO MARK SAME IN ACCORDANCE WITH THE RECEIVED CURRENT IMPULSES TO IDENTIFY HEAT SIGNALS CAUSING SAID IMPULSES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |