Patent US3441216A successfully refreshed from Google Patents.
US3441216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air diffuser unit for aerating sewage
Assignee: RAYMOND J GOOD
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Filing: 1964-11-16
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Granted: 1969-04-29
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Good
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:45
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23122; B01F23/23124; B01F23/231245; B01F23/23125; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S261/00; Y10S261/70; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915; Y10T137/7918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
AN AIR DIFFUSING UNIT FOR AERATING SEWAGE AND ADAPTED TO BE COMPLETELY IMMERSED IN SAID SEWAGE, SAID UNIT COMPRISING A CAGE, SAID CAGE COMPRISING A HEAD HAVING A HOLE FOR THE FLOW OF AIR THERETHROUGH AN ANNULAR ARRAY OF RODS HAVING ENDS SECURED TO SAID HEAD, A PLURALITY OF SPACER TUBES AROUND SAID RODS, SUPPORT RINGS THROUGH WHICH SAID RODS EXTEND, SAID RINGS BEING SPACED ALONG SAID RODS BY SAID TUBES, SAID HEAD HAVING AN ANNULAR UNDERCUT, A FABRIC SOCK OVER SAID RODS, TUBES AND RINGS AND A PART OF THE HEAD, AND A SPRING FOR SECURING SAID SOCK TO SAID HEAD AT SAID UNDERCUT, SAID SOCK BEING MADE FROMA KNITTED FABRIC AND COMPRISES A LENGTH OF MATERIAL FOLDED UPON ITSELF AND HAVING A CUFF AT ONE END, SAID SOCK BEING SEAMED AT THE END OPPOSITE THE CUFF AND SEAMED LENGTHWISE FROM THE END OPPOSITE THE CUFF TO THE OTHER END, BUT FOR A PORTION WHICH DEFINES A SLIT, AND SAID SPRING BEING INSERTED INTO SAID CUFF THROUGH SAID SILT.
Claim 2
Dependent Claim
170 words
AN AIR DIFFUSING UNIT FOR AERATING SEWAGE AND ADAPTED TO BE COMPLETELY IMMERSED IN SAID SEWAGE, SAID UNIT COMPRISING A CAGE, SAID CAGE COMPRISING A HEAD HAVING A HOLE FOR THE FLOW OF AIR THERETHROUGH AN ANNULAR ARRAY OF RODS HAVING ENDS SECURED TO SAID HEAD, A PLURALITY OF SPACER TUBES AROUND SAID RODS, SUPPORT RINGS THROUGH WHICH SAID RODS EXTEND, SAID RINGS BEING SPACED ALONG SAID RODS BY SAID TUBES, SAID HEAD HAVING AN ANNULAR UNDERCUT, A FABRIC SOCK OVER SAID RODS, TUBES AND RINGS AND A PART OF THE HEAD, AND A SPRING FOR SECURING SAID SOCK TO SAID HEAD AT SAID UNDERCUT, SAID SOCK BEING MADE FROMA KNITTED FABRIC AND COMPRISES A LENGTH OF MATERIAL FOLDED UPON ITSELF AND HAVING A CUFF AT ONE END, SAID SOCK BEING SEAMED AT THE END OPPOSITE THE CUFF AND SEAMED LENGTHWISE FROM THE END OPPOSITE THE CUFF TO THE OTHER END, BUT FOR A PORTION WHICH DEFINES A SLIT, AND SAID SPRING BEING INSERTED INTO SAID CUFF THROUGH SAID SILT.
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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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |