US3338147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of illuminating areas viewed from an aircraft at night
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1965-09-10
•
Granted: 1967-08-29
•
Expires: 1985-09-10
Abstract
No abstract record available.
Inventors
- 👤 Goddard George William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD OF PHOTOGRAPHING SURFACE AREAS UNDER NIGHT-LIKE CONDITIONS COMPRISING THE STEPS OF: FLYING AN AIRCRAFT OVER SAID AREAS; TOWING A BURNING FLARE BEHIND SAID AIRCRAFT; GENERATING A REFLECTIVE CLOUD BEHIND SAID AIRCRAFT TO PRODUCE A REFLECTIVE CANOPY ABOVE SAID BURNING FLARE; AND
Claim 2
Independent Claim
43 words
A METHOD OF PHOTOGRAPHING SURFACE AREAS UNDER NIGHT-LIKE CONDITIONS COMPRISING THE STEPS OF: FLYING AN AIRCRAFT OVER SAID AREAS; TOWING A BURNING FLARE BEHIND SAID AIRCRAFT; GENERATING A REFLECTIVE CLOUD BEHIND SAID AIRCRAFT TO PRODUCE A REFLECTIVE CANOPY ABOVE SAID BURNING FLARE; AND
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |