US3309012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal pump-comressor for space use
Assignee: Individual
•
Filing: 1963-04-02
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Granted: 1967-03-14
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 Franklin W Booth
- 👤 Hubert K Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:46
CPC Classifications
F; F04; F04B; F04B17/00; F03; F03G; F03G6/00; F03G6/06; F03G6/062; F03G6/065; F24; F24S; F24S20/00; F24S20/20; F24S23/00; F24S23/70; F24S23/71; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A SOLAR PUMP COMPRISING: A SOLAR REFLECTOR WHICH CONCENTRATES IN A FOCAL PLANE THE SUN RAYS THAT STRIKES IT; A THERMAL BULB CONTAINING A VOLATILE LIQUID LOCATED IN SAID FOCAL PLANE TO HEAT THE VOLATILE LIQUID THEREBY CREATING A GAS PRESSURE; A PUMPING MEANS FOR PRODUCING A COMPRESSION STROKE WHEN A PRESSURE IS APPLIED TO IT AND FOR PRODUCING A SUCTION STROKE WHEN THE PRESSURE IS REMOVED; MEANS FOR APPLYING SAID CREATED GAS PRESSURE TO SAID PUMPING MEANS TO CAUSE A COMPRESSION STROKE OF SAID PUMPING MEANS; CONTROL MEANS FOR MOVING SAID THERMAL BULB OUT OF SAID FOCAL PLANE WHEN A GAS PRESSURE IS APPLIED TO IT AND FOR MOVING SAID THERMAL BULB BACK INTO SAID FOCAL PLANE WHEN THE GAS PRESSURE IS REMOVED; MEANS FOR APPLYING SAID CREATED GAS PRESSURE TO SAID CONTROL MEANS AFTER SAID COMPRESSION STROKE TO MOVE SAID THERMAL BULB OUT OF SAID FOCAL PLANE THEREBY DECREASING SAID CREATED GAS PRESSURE TO CAUSE A SUCTION STROKE OF SAID PUMPING MEANS; AND MEANS FOR REMOVING SAID CREATED GAS PRESSURE FROM SAID CONTROL MEANS AFTER SAID SUCTION STROKE TO MOVE SAID THERMAL BULB BACK INTO SAID FOCAL PLANE.
Claim 2
Dependent Claim
190 words
A SOLAR PUMP COMPRISING: A SOLAR REFLECTOR WHICH CONCENTRATES IN A FOCAL PLANE THE SUN RAYS THAT STRIKES IT; A THERMAL BULB CONTAINING A VOLATILE LIQUID LOCATED IN SAID FOCAL PLANE TO HEAT THE VOLATILE LIQUID THEREBY CREATING A GAS PRESSURE; A PUMPING MEANS FOR PRODUCING A COMPRESSION STROKE WHEN A PRESSURE IS APPLIED TO IT AND FOR PRODUCING A SUCTION STROKE WHEN THE PRESSURE IS REMOVED; MEANS FOR APPLYING SAID CREATED GAS PRESSURE TO SAID PUMPING MEANS TO CAUSE A COMPRESSION STROKE OF SAID PUMPING MEANS; CONTROL MEANS FOR MOVING SAID THERMAL BULB OUT OF SAID FOCAL PLANE WHEN A GAS PRESSURE IS APPLIED TO IT AND FOR MOVING SAID THERMAL BULB BACK INTO SAID FOCAL PLANE WHEN THE GAS PRESSURE IS REMOVED; MEANS FOR APPLYING SAID CREATED GAS PRESSURE TO SAID CONTROL MEANS AFTER SAID COMPRESSION STROKE TO MOVE SAID THERMAL BULB OUT OF SAID FOCAL PLANE THEREBY DECREASING SAID CREATED GAS PRESSURE TO CAUSE A SUCTION STROKE OF SAID PUMPING MEANS; AND MEANS FOR REMOVING SAID CREATED GAS PRESSURE FROM SAID CONTROL MEANS AFTER SAID SUCTION STROKE TO MOVE SAID THERMAL BULB BACK INTO SAID FOCAL PLANE.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |