US2741601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cloud seeding generator
Assignee: Individual
•
Filing: 1951-09-04
•
Granted: 1956-04-10
•
Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul B Maccready
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:17
CPC Classifications
A; A01; A01G; A01G15/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
IN A GENERATOR FOR PRODUCING CLOUD SEEDING NUCLEI, MEANS FOR PRODUCING HEAT, MEANS FOR CONVEYING A CHEMICAL FROM WHICH THE NUCLEI ARE PRODUCED TO THE HEATPRODUCING MEANS, AN ELECTRIC MOTOR, A FIRST CRANK CONNECTED TO THE SHAFT OF THE MOTOR FOR CONTROLLING THE HEAT-PRODUCING MEANS AND THE CHEMICAL-CONVEYING MEANS, A SOURCE OF POTENTIAL, A PAIR OF SWITCHES CONNECTED IN SERIES BETWEEN THE SOURCE OF POTENTIAL AND THE MOTOR, A SECOND CRANK CONNECTED TO THE SHAFT OF THE MOTOR FOR OPERATING THE SWITCHES IN SEQUENCE WHEN THE MOTOR IS ENERGIZED, A RADIO RECEIVER, MEANS CONNECTED TO THE OUTPUT OF THE RECEIVER FOR ENERGIZING THE MOTOR WHEN A PREDETERMINED SIGNAL IS PRODUCED IN THE OUTPUT CIRCUIT OF THE RADIO RECEIVER, AND TIMING MEANS FOR ENERGIZING THE RADIO RECEIVER DURING PREDETERMINED INTERVALS OF TIME.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |