US3144756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum system cooling trap
Assignee: Ion Physics Corp
•
Filing: 1962-07-23
•
Granted: 1964-08-18
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Arnold
- 👤 Richard B Britton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:45
CPC Classifications
B; B01; B01D; B01D8/00; F; F04; F04F; F04F9/00; F17; F17C; F17C13/00; F17C13/02; Y; Y10; Y10S; Y10S55/00; Y10S55/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A VACUUM SYSTEM COLD TRAP A CONTAINER FOR LIQUID COOLANT HAVING A PARTITION THEREIN, SAID PARTITION BEING SUBSTANTIALLY PARALLEL TO THE SIDES AND TOP OF SAID CONTAINER AND ADAPTED TO DIVIDE THE INTERIOR THEREOF INTO FIRST AND SECOND COMPARTMENTS, SAID FIRST COMPARTMENT BEING CONTIGUOUS TO THE SIDES AND TOP OF SAID CONTAINER AND HAVING MEANS CONNECTED TO THE APEX THEREOF TO PERMIT EMISSION OF EVAPORATED COOLANT FORMED THEREIN, AND SAID SECOND COMPARTMENT BEING CONTIGUOUS TO THE BOTTOM OF SAID CONTAINER AND COMPRISING A RESERVOIR FOR SAID COOLANT, AND MEANS FOR PUMPING COOLANT FROM SAID SECOND COMPARTMENT TO SAID FIRST COMPARTMENT.
Claim 2
Dependent Claim
101 words
IN A VACUUM SYSTEM COLD TRAP A CONTAINER FOR LIQUID COOLANT HAVING A PARTITION THEREIN, SAID PARTITION BEING SUBSTANTIALLY PARALLEL TO THE SIDES AND TOP OF SAID CONTAINER AND ADAPTED TO DIVIDE THE INTERIOR THEREOF INTO FIRST AND SECOND COMPARTMENTS, SAID FIRST COMPARTMENT BEING CONTIGUOUS TO THE SIDES AND TOP OF SAID CONTAINER AND HAVING MEANS CONNECTED TO THE APEX THEREOF TO PERMIT EMISSION OF EVAPORATED COOLANT FORMED THEREIN, AND SAID SECOND COMPARTMENT BEING CONTIGUOUS TO THE BOTTOM OF SAID CONTAINER AND COMPRISING A RESERVOIR FOR SAID COOLANT, AND MEANS FOR PUMPING COOLANT FROM SAID SECOND COMPARTMENT TO SAID FIRST COMPARTMENT.
References Cited (Backward Citations)
US2052410A
Cited
US2039817A
Cited
US2317814A
Cited
US2293263A
Cited
US2389168A
Cited
US2853859A
Cited
US2462793A
Cited
US3009629A
Cited
US2985356A
Cited
US3057340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |