Patent US3230349A successfully refreshed from Google Patents.
US3230349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ballistic computer
Assignee: Individual
•
Filing: 1962-06-22
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Granted: 1966-01-18
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Donald N Spangenberg
- 👤 Grzywacz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:44
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/22; F41G3/24; G; G06; G06G; G06G7/00; G06G7/12; G06G7/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
STEERING CORRECTING COMPUTING MEANS FOR USE IN LOFTBOMBING MISSION BY AN AIRCRAFT, COMPRISING: FIRST MEANS FOR GENERATING A SIGNAL PROPORTIONAL TO THE TRUE AIRSPEED OF THE AIRCRAFT; FIRST COMPUTING MEANS CONNECTED TO SAID FIRST GENERATTING MEANS FOR PRODUCING AN INCREMENTAL DRIFT ANGLE CORRECTION SIGNAL AT THE OUTPUT THEREOF; SECOND MEANS FOR GENERATING SIGNALS PROPORTIONAL TO AIRCRAFT HEADING, NAVIGATIONAL DRIFT ANGLE, AND TARGET ANGLE; SECOND COMPUTING MEANS HAVING ONE INPUT CONNECTED TO THE OUTPUT OF SAID FIRST COMPUTING MEANS AND THE OTHER INPUTS CONNECTED TO SAID SECOND GENERATING MEANS, AND INDICAING MEANS HAVING THE INPUT THERETO CONNECTED TO THE OUTPUT OF SAID SECOND COMPUTING MEANS.
References Cited (Backward Citations)
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |