US3402630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical radar ranging system
Assignee: General Precision Systems Inc
•
Filing: 1965-02-05
•
Granted: 1968-09-24
•
Expires: 1985-02-05
Abstract
No abstract record available.
Inventors
- 👤 Donald Z Blau
- 👤 Robert A Flower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:19
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/02; G01S17/06; G01S17/08; G01S17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3097355A
Cited
US2422204A
Cited
US2768372A
Cited
GB908030A
Cited
US3199105A
Cited
US3248729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |