US3140590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner for a face mask
Assignee: Individual
•
Filing: 1963-04-26
•
Granted: 1964-07-14
•
Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Gleockler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:45
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/003; Y; Y10; Y10S; Y10S55/00; Y10S55/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN COMBINATION WITH A RESPIRATOR INCLUDING A FACE MASK, AN AIR PASSAGE THROUGH WHICH AIR IS CONVEYED TO THE FACE MASK FROM THE ATMOSPHERE, AND AN AIR FILTER INTERPOSED IN SAID AIR PASSAGE; AN AIR CONDITIONING UNIT INCLUDING A RECEPTACLE CONTAINING ICE, SAID RECEPTACLE FORMING A PART OF THE AIR PASSAGE FOR COOLING THE AIR PASSING THERETHROUGH AND BEING DISPOSED BELOW THE LEVEL OF THE AIR FILTER, SAID RECEPTACLE HAVING AN OPEN TOP, A REMOVABLE CLOSURE FOR SAID OPEN TOP, A CONDUIT COMMUNICATING WITH SAID RECEPTACLE AND EXTENDING FROM SAID CLOSURE TO THE MASK AND FORMING A PART OF THE AIR PASSAGE, AND A SECOND CONDUIT FORMING A PART OF THE AIR PASSAGE HAVING A LOWER DISCHARGE END OPENING INTO SAID RECEPTACLE BENEATH SAID CLOSURE AND AN UPPER INLET END CONNECTED TO AND COMMUNICATING WITH AN OUTLET PORT OF THE AIR FILTER.
Claim 2
Dependent Claim
142 words
IN COMBINATION WITH A RESPIRATOR INCLUDING A FACE MASK, AN AIR PASSAGE THROUGH WHICH AIR IS CONVEYED TO THE FACE MASK FROM THE ATMOSPHERE, AND AN AIR FILTER INTERPOSED IN SAID AIR PASSAGE; AN AIR CONDITIONING UNIT INCLUDING A RECEPTACLE CONTAINING ICE, SAID RECEPTACLE FORMING A PART OF THE AIR PASSAGE FOR COOLING THE AIR PASSING THERETHROUGH AND BEING DISPOSED BELOW THE LEVEL OF THE AIR FILTER, SAID RECEPTACLE HAVING AN OPEN TOP, A REMOVABLE CLOSURE FOR SAID OPEN TOP, A CONDUIT COMMUNICATING WITH SAID RECEPTACLE AND EXTENDING FROM SAID CLOSURE TO THE MASK AND FORMING A PART OF THE AIR PASSAGE, AND A SECOND CONDUIT FORMING A PART OF THE AIR PASSAGE HAVING A LOWER DISCHARGE END OPENING INTO SAID RECEPTACLE BENEATH SAID CLOSURE AND AN UPPER INLET END CONNECTED TO AND COMMUNICATING WITH AN OUTLET PORT OF THE AIR FILTER.
References Cited (Backward Citations)
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Cited
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Cited
US1978994A
Cited
US2390233A
Cited
US2381568A
Cited
US2706983A
Cited
US2784714A
Cited
US3018776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |