US3235470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing high purity distilled water
Assignee: Individual
•
Filing: 1964-04-29
•
Granted: 1966-02-15
•
Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:13
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF PRODUCING STERILE, PYROGEN-FREE, DISTILLED WATER WHICH CONSISTS IN HEATING A BODY OF WATER UNDER SUPER-ATMOSPHERIC PRESSURE TO VAPORIZE A PORTION THEREOF INTO SATURATED STEAM AT A STERILIZING TEMPERATURE AND UNDER SUPER-ATMOSPHERIC PRESSURE, TAKING SAID SATURATED STEAM AND DIVIDING TO INTO TWO LINES REDUCING THE PRESSURE IN ONE OF SAID LINES TO SUBSTANTIALLY ATMOSPHERIC PRESSURE WHILE IT IS PASSED THROUGH A CONDUIT THAT IS MAIN-
Claim 2
Independent Claim
67 words
THE METHOD OF PRODUCING STERILE, PYROGEN-FREE, DISTILLED WATER WHICH CONSISTS IN HEATING A BODY OF WATER UNDER SUPER-ATMOSPHERIC PRESSURE TO VAPORIZE A PORTION THEREOF INTO SATURATED STEAM AT A STERILIZING TEMPERATURE AND UNDER SUPER-ATMOSPHERIC PRESSURE, TAKING SAID SATURATED STEAM AND DIVIDING TO INTO TWO LINES REDUCING THE PRESSURE IN ONE OF SAID LINES TO SUBSTANTIALLY ATMOSPHERIC PRESSURE WHILE IT IS PASSED THROUGH A CONDUIT THAT IS MAIN-
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |