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US3428890A
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System for determining the type of atmospheric precipitation by detecting meteorological parameters
Assignee: COMMERCE USA
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Filing: 1966-05-23
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Granted: 1969-02-18
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Richard C Peck
- 👤 Elbert W Atkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:29
CPC Classifications
G; G01; G01W; G01W1/00; G01W1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663190A
Cited
US2717957A
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US2849701A
Cited
US3037165A
Cited
US3269180A
Cited
US3164820A
Cited
US3287974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |