US2656531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device to permit radar contour mapping of rain intensity in rainstorms
Assignee: Individual
•
Filing: 1950-09-12
•
Granted: 1953-10-20
•
Expires: 1970-09-12
Abstract
No abstract record available.
Inventors
- 👤 Atlas David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:18
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/95; Y; Y02; Y02A; Y02A90/00; Y02A90/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2433681A
Cited
US2416895A
Cited
US2509207A
Cited
US2535274A
Cited
US2523283A
Cited
US2480038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |