Patent US3078701A successfully refreshed from Google Patents.
US3078701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air recirculation system for cleaning apparatus
Assignee: Autosonics Inc
•
Filing: 1961-03-07
•
Granted: 1963-02-26
•
Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Rand Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:07
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/08; D06F43/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A CLEANING APPARATUS COMPRISING A HOUSING, A WALL OF SAID HOUSING HAVING AN INLET FOR RECEIVING ELEMENTS TO BE CLEANED PROVIDING COMMUNICATION INTO SAID HOUSING, A WALL OF SAID HOUSING HAVING AN OUTLET THROUGH WHICH CLEANED ELEMENTS WILL EMERGE FROM SAID HOUSING, MEANS WITHIN SAID HOUSING FOR DEFINING A RECEPTACLE, SAID RECEPTACLE BEING ADAPTED TO CONTAIN A CLEANING SOLVENT SUSCEPTIBLE TO BEING VAPORIZED DURING THE CLEANING OPERATION, AND A MEANS PROVIDING FOR A CLOSED CIRCUIT AIR RECIRCULATION SYSTEM FOR SAID HOUSING CONNECTED AT ITS INLET END TO THE HOUSING AND CONNECTED AT ITS DISCHARGE END WITH SAID OUTLET FOR SAID HOUSING IN A MANNER SO THAT THE PRESSURE WITHIN SAID HOUSING IS MAINTAINED SLIGHTLY BELOW ATMOSPHERIC PRESSURE, SAID MEANS INCLUDING A FAN ADAPTED TO PROVIDE A WAFT OF AIR TO SAID OUTLET FOR SAID HOUSING.
Claim 2
Dependent Claim
136 words
IN A CLEANING APPARATUS COMPRISING A HOUSING, A WALL OF SAID HOUSING HAVING AN INLET FOR RECEIVING ELEMENTS TO BE CLEANED PROVIDING COMMUNICATION INTO SAID HOUSING, A WALL OF SAID HOUSING HAVING AN OUTLET THROUGH WHICH CLEANED ELEMENTS WILL EMERGE FROM SAID HOUSING, MEANS WITHIN SAID HOUSING FOR DEFINING A RECEPTACLE, SAID RECEPTACLE BEING ADAPTED TO CONTAIN A CLEANING SOLVENT SUSCEPTIBLE TO BEING VAPORIZED DURING THE CLEANING OPERATION, AND A MEANS PROVIDING FOR A CLOSED CIRCUIT AIR RECIRCULATION SYSTEM FOR SAID HOUSING CONNECTED AT ITS INLET END TO THE HOUSING AND CONNECTED AT ITS DISCHARGE END WITH SAID OUTLET FOR SAID HOUSING IN A MANNER SO THAT THE PRESSURE WITHIN SAID HOUSING IS MAINTAINED SLIGHTLY BELOW ATMOSPHERIC PRESSURE, SAID MEANS INCLUDING A FAN ADAPTED TO PROVIDE A WAFT OF AIR TO SAID OUTLET FOR SAID HOUSING.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |