US3070463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent recovering and purifying method and apparatus
Assignee: Individual
•
Filing: 1961-06-08
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Granted: 1962-12-25
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Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Donald J Barday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:27
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/081; B; B01; B01D; B01D1/00; B01D3/00; B01D3/007; D06B; D06B9/00; D06B9/06; Y; Y02; Y02B; Y02B30/00; Y02B30/52; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD OF REMOVING FOREIGN MATTER FROM A SOLVENT FLUID COMPRISES THE STEPS OF DIRECTING SAID FLUID IN HEAT EXCHANGE RELATIONSHIP WITH THE HEAT EMITTING SECTION OF A HEAT PUMPING SYSTEM TO EVAPORATE A PORTION OF SAID FLUID, COLLECTING THE UNEVAPORATED PORTIONS OF SAID FLUID, DIRECTING SAID EVAPORATED PORTION OF SAID FLUID IN HEAT EXCHANGE RELATIONSHIP WITH THE HEAT ABSORBING SECTION OF SAID SYSTEM FOR CONDENSI G IT, AND COLLECTING IN CONDENSATE WHICH CONSTITES PURIFIED SOLVENT
Claim 2
Independent Claim
76 words
A METHOD OF REMOVING FOREIGN MATTER FROM A SOLVENT FLUID COMPRISES THE STEPS OF DIRECTING SAID FLUID IN HEAT EXCHANGE RELATIONSHIP WITH THE HEAT EMITTING SECTION OF A HEAT PUMPING SYSTEM TO EVAPORATE A PORTION OF SAID FLUID, COLLECTING THE UNEVAPORATED PORTIONS OF SAID FLUID, DIRECTING SAID EVAPORATED PORTION OF SAID FLUID IN HEAT EXCHANGE RELATIONSHIP WITH THE HEAT ABSORBING SECTION OF SAID SYSTEM FOR CONDENSI G IT, AND COLLECTING IN CONDENSATE WHICH CONSTITES PURIFIED SOLVENT
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |