Patent US3370520A successfully refreshed from Google Patents.
US3370520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating device
Assignee: Individual
•
Filing: 1966-04-27
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Granted: 1968-02-27
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Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Hans A Mauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:37
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/56; B60N2/5607; B60N2/5621; B60N2/5635; A; A47; A47C; A47C31/00; A47C31/10; A47C31/11; A47C31/116; A47C7/00; A47C7/02; A47C7/021; A47C7/36; A47C7/40; A47C7/42; A47C7/425; A47C7/62; A47C7/72; A47C7/74; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A DEVICE FOR USE IN VENTILATING AN ANIMATE OR INAMIMATE OBJECT COMPRISING AN ENCLOSURE OF SANDWICH-LIKE CONFIGURATION, SAID ENCLOSURE BEING FABRICATED ON AN ELASTIC MATERIAL PROVIDING OPPOSITE SIDES AND HAVING BOTH SAID OPPOSITE SIDES FORMED TO PRODUCE THEREIN SPACED HOLLOW ELEVATIONS PROJECTED OUTWARDLY OF SAID ENCLOSURE TO DEFINE COMPRESSION RESISTANT MEANS, SAID SPACED HOLLOW ELEVATIONS PROVIDING CAVITIES OPENING INWARDLY OF SAID ENCLOSURE, THE CAVITIES IN ONE SIDE BEING IN LATERALLY DISPLACED RELATION TO THE CAVITIES IN THE OTHER SIDE OF SAID ENCLOSURE TO PRODUCE THEREBY AN INTERCOMMUNICATION OF SAID CAVITIES, JET OPENING IN ONE SIDE OF SAID ENCLOSURE BEING PLACED TO COMMUNICATE WITH SAID DEVICES FORMED IN THE OTHER SIDE OF SAID ENCLOSURE TO PRODUCE THEREBY A MINIMAL RESISTANCE TO FLOW WITHIN SAID ENCLOSURE, SAID ENCLOSURE HAVING AN INLET IN COMMUNICATION WITH A PORTION OF SAID CAVITIES FOR INTRODUCING THERETO A PRESSURED FLOW OF AIR OR OTHER VENTILATING FLUID TO FLOW TO AND THROUGH SAID ENCLOSURE BY WAY OF SAID CAVITIES FOR DISCHARGE THROUGH SAID JET OPENINGS.
Claim 2
Independent Claim
167 words
A DEVICE FOR USE IN VENTILATING AN ANIMATE OR INAMIMATE OBJECT COMPRISING AN ENCLOSURE OF SANDWICH-LIKE CONFIGURATION, SAID ENCLOSURE BEING FABRICATED ON AN ELASTIC MATERIAL PROVIDING OPPOSITE SIDES AND HAVING BOTH SAID OPPOSITE SIDES FORMED TO PRODUCE THEREIN SPACED HOLLOW ELEVATIONS PROJECTED OUTWARDLY OF SAID ENCLOSURE TO DEFINE COMPRESSION RESISTANT MEANS, SAID SPACED HOLLOW ELEVATIONS PROVIDING CAVITIES OPENING INWARDLY OF SAID ENCLOSURE, THE CAVITIES IN ONE SIDE BEING IN LATERALLY DISPLACED RELATION TO THE CAVITIES IN THE OTHER SIDE OF SAID ENCLOSURE TO PRODUCE THEREBY AN INTERCOMMUNICATION OF SAID CAVITIES, JET OPENING IN ONE SIDE OF SAID ENCLOSURE BEING PLACED TO COMMUNICATE WITH SAID DEVICES FORMED IN THE OTHER SIDE OF SAID ENCLOSURE TO PRODUCE THEREBY A MINIMAL RESISTANCE TO FLOW WITHIN SAID ENCLOSURE, SAID ENCLOSURE HAVING AN INLET IN COMMUNICATION WITH A PORTION OF SAID CAVITIES FOR INTRODUCING THERETO A PRESSURED FLOW OF AIR OR OTHER VENTILATING FLUID TO FLOW TO AND THROUGH SAID ENCLOSURE BY WAY OF SAID CAVITIES FOR DISCHARGE THROUGH SAID JET OPENINGS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |