US3178869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air purifier
Assignee: Individual
•
Filing: 1960-05-11
•
Granted: 1965-04-20
•
Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Richard R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:06
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/192; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
243 words
AN AIR PURIFIER COMPRISNG A BODY MEMBER HAVING A HOLLOW INTERIOR, AN AIR ENTRANCE AT ONE END OF AIR EXIT AT THE OPPOSITE END, A PRIMARY FILTER ATTACHED TO SAID BODY MEMBER ADJACENT TO AN COVERING THE ENTRANCE, A FAN HOUSED WITHIN SAID BODY MEMBER BEYOND SAID PRIMARY FILTER AND CONNECTED TO AN ELECTRICAL SOURCE OF POWER, BRACKETS ATTACHED TO AND WITHIN SAID BODY MEMBER, STRAPS ATTACHED TO SAID BRACKETS AND PROVIDING A PLURALITY OF CHANNELS SPACED MORE THAN AN INCH APART, A PLURALITY OF SPACED LOUVERED PLATES REMOVABLY SUPPORTED ON SAID CHANNELS AND HOUSED WITHIN SAID BODY MEMBER BEYOND SAID FAN AND POSITIONED SUBSTANTIALLY AT AN ANGLE TO THE FLOW OF AIR COMING IN THE AIR ENTRANCE, AND ELECTRONIC POWER PACK CONNECTED TO AN ELECTRICAL SOURCE OF POWER AND ATTACHED TO SAID BODY MEMBER, SAID POWER PACK CONNECTED WITH AND APPLYING HIGH VOLTAGE TO ALTERNATE PLATES, SAID PRIMARY FILTER ADAPTED TO REMOVE LINT, FUZZ AND COARSE, HEAVY AND LARGE PARTICLES FROM THE AIR BEFORE THEY REACH THE PLATES, AND PLATES HAVING A PLURALITY OF SPACED DIAGONAL FINS AND OPENINGS CAUSING AIR TURBULENCE AND THE SLOWING UP OF THE PASSAGE OF THE AIR FOR THE WIDE DIFFUSION AND COLLECTION OF SMALL AND FINE PARTICLES FROM THE AIR AN SAID PLATES, SAID PLATES BEING WIDELY SPACED SUBSTANTIALLY AN INCH APART, THEREBY INSURING AGAINST THE QUICK CLOGGING OF THE PLATES WITH PARTICLES AND CONSEQUENT SPARKING THEREBETWEEN AND THE PREVENTION OF THE CREATION OF ABNOXIOUS OZONE.
Claim 2
Dependent Claim
243 words
AN AIR PURIFIER COMPRISNG A BODY MEMBER HAVING A HOLLOW INTERIOR, AN AIR ENTRANCE AT ONE END OF AIR EXIT AT THE OPPOSITE END, A PRIMARY FILTER ATTACHED TO SAID BODY MEMBER ADJACENT TO AN COVERING THE ENTRANCE, A FAN HOUSED WITHIN SAID BODY MEMBER BEYOND SAID PRIMARY FILTER AND CONNECTED TO AN ELECTRICAL SOURCE OF POWER, BRACKETS ATTACHED TO AND WITHIN SAID BODY MEMBER, STRAPS ATTACHED TO SAID BRACKETS AND PROVIDING A PLURALITY OF CHANNELS SPACED MORE THAN AN INCH APART, A PLURALITY OF SPACED LOUVERED PLATES REMOVABLY SUPPORTED ON SAID CHANNELS AND HOUSED WITHIN SAID BODY MEMBER BEYOND SAID FAN AND POSITIONED SUBSTANTIALLY AT AN ANGLE TO THE FLOW OF AIR COMING IN THE AIR ENTRANCE, AND ELECTRONIC POWER PACK CONNECTED TO AN ELECTRICAL SOURCE OF POWER AND ATTACHED TO SAID BODY MEMBER, SAID POWER PACK CONNECTED WITH AND APPLYING HIGH VOLTAGE TO ALTERNATE PLATES, SAID PRIMARY FILTER ADAPTED TO REMOVE LINT, FUZZ AND COARSE, HEAVY AND LARGE PARTICLES FROM THE AIR BEFORE THEY REACH THE PLATES, AND PLATES HAVING A PLURALITY OF SPACED DIAGONAL FINS AND OPENINGS CAUSING AIR TURBULENCE AND THE SLOWING UP OF THE PASSAGE OF THE AIR FOR THE WIDE DIFFUSION AND COLLECTION OF SMALL AND FINE PARTICLES FROM THE AIR AN SAID PLATES, SAID PLATES BEING WIDELY SPACED SUBSTANTIALLY AN INCH APART, THEREBY INSURING AGAINST THE QUICK CLOGGING OF THE PLATES WITH PARTICLES AND CONSEQUENT SPARKING THEREBETWEEN AND THE PREVENTION OF THE CREATION OF ABNOXIOUS OZONE.
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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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |