Patent US3101488A successfully refreshed from Google Patents.
US3101488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air purifying and ventilating means for beds
Assignee: Individual
•
Filing: 1961-07-10
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Granted: 1963-08-27
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Peebles David Meade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:54
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/04; A47C21/042; A47C21/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN AIR PURIFYING AND VENTILATING DEVICE FR INVALID BEDS AND THE LIKE COMPRISING AN OUTER CASING FOR DISPOSITION UPON THE BED MATTRESS BENEATH THE BEDCLOTHING AND HAVING A PERFORATED WALL, AN INNER CASING DISPOSED WITHIN THE OUTER CASING AND SPACED FROM SAID PERFORATED WALL AND HAVING A PERFORATED PORTION, AT LEAST ONE AIR PURIFYING CARTRIDGE REMOVABLE MOUNTED IN THE INNER CASING, AND A FAN DISPOSED WITHIN THE INNER CASING TO DRAW AIR THROUGH THE OUTER AND INNER CASINGS AND SAID CARTRIDGE.
Claim 2
Dependent Claim
81 words
AN AIR PURIFYING AND VENTILATING DEVICE FR INVALID BEDS AND THE LIKE COMPRISING AN OUTER CASING FOR DISPOSITION UPON THE BED MATTRESS BENEATH THE BEDCLOTHING AND HAVING A PERFORATED WALL, AN INNER CASING DISPOSED WITHIN THE OUTER CASING AND SPACED FROM SAID PERFORATED WALL AND HAVING A PERFORATED PORTION, AT LEAST ONE AIR PURIFYING CARTRIDGE REMOVABLE MOUNTED IN THE INNER CASING, AND A FAN DISPOSED WITHIN THE INNER CASING TO DRAW AIR THROUGH THE OUTER AND INNER CASINGS AND SAID CARTRIDGE.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |