US3310795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable space flood alarm
Assignee: Individual
•
Filing: 1964-07-20
•
Granted: 1967-03-21
•
Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 David George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:16
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SMALL, PORTABLE, LIGHTWEIGHT FLOOD WARNING DEVICE FOR USE IN ANY DESIRED GROUND OR FLOOR AREA WHERE RISING WATER MAY BE A PROBLEM, COMPRISING: A TRIPOD HAVING A HANDLE AND AN ENCLOSED WATERPROOF COMPARTMENT ELEVATED BY THREE LEGS HAVING RESPECTIVE SUCTION MEANS FOR SECURING THE TRIPOD TO SAID AREA, SENSING MEANS POSITIONED ADJACENT THE LEVEL OF SAID AREA FOR SENSING ANY WATER RISING THEREON AND HAVING A CONNECTION MEANS EXTENDING UPWARDLY INTO SAID COMPARTMENT TO CONVEY THEREINTO ANY RISING MOVEMENT OF THE SENSING MEANS, AN ALARM IN AND SENSIBLE OUTSIDE OF SAID COMPARTMENT, A PAIR OF LINES IN SAID COMPARTMENT FOR SUPPLYING A RELATIVELY LOW VOLTAGE TO SAID ALARM, NORMALLY OPEN SWITCH MEANS IN ONE OF SAID LINES IN SAID COMPARTMENT, AND MEANS OPERATIVELY CONNECTED BETWEEN SAID CONNECTION MEANS AND SWITCH MEANS FOR CAUSING THE SWITCH MEANS TO CLOSE AND OPERATE SAID ALARM UPON A PREDETERMINED AMOUNT OF SAID RISING MOVEMENT OF SAID SENSING MEANS.
Claim 2
Dependent Claim
155 words
A SMALL, PORTABLE, LIGHTWEIGHT FLOOD WARNING DEVICE FOR USE IN ANY DESIRED GROUND OR FLOOR AREA WHERE RISING WATER MAY BE A PROBLEM, COMPRISING: A TRIPOD HAVING A HANDLE AND AN ENCLOSED WATERPROOF COMPARTMENT ELEVATED BY THREE LEGS HAVING RESPECTIVE SUCTION MEANS FOR SECURING THE TRIPOD TO SAID AREA, SENSING MEANS POSITIONED ADJACENT THE LEVEL OF SAID AREA FOR SENSING ANY WATER RISING THEREON AND HAVING A CONNECTION MEANS EXTENDING UPWARDLY INTO SAID COMPARTMENT TO CONVEY THEREINTO ANY RISING MOVEMENT OF THE SENSING MEANS, AN ALARM IN AND SENSIBLE OUTSIDE OF SAID COMPARTMENT, A PAIR OF LINES IN SAID COMPARTMENT FOR SUPPLYING A RELATIVELY LOW VOLTAGE TO SAID ALARM, NORMALLY OPEN SWITCH MEANS IN ONE OF SAID LINES IN SAID COMPARTMENT, AND MEANS OPERATIVELY CONNECTED BETWEEN SAID CONNECTION MEANS AND SWITCH MEANS FOR CAUSING THE SWITCH MEANS TO CLOSE AND OPERATE SAID ALARM UPON A PREDETERMINED AMOUNT OF SAID RISING MOVEMENT OF SAID SENSING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |