US3227648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling noxious odors in sewage
Assignee: Hahn Products Inc
•
Filing: 1963-09-20
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Granted: 1966-01-04
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hahn John Wilfred
- 👤 Sam B Cresap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:50
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; Y; Y10; Y10S; Y10S4/00; Y10S4/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF SUPPRESSING NOXIOUS ODORS IN SEWAGE COMPRISING THE STEPS OF: ADMIXING EXCRETA FROM LACTATING RUMINANTS WITH WATER IN A DIGESTER CHAMBER, ALLOWING SAID ADMIXTURE TO DIGEST UNTIL A TURN OCCURS AND A SUPERNATE IS PRODUCED, WITHDRAWING A PORTION OF SAID SUPERNATE FROM SAID DIGESTER, DILUTING SAID WITHDRAWN SUPERNATE WITH WATER TO PRODUCE AN ODOR INHIBITING ADDITIVE, AND ADDING SAID ADDITIVE TO RAW SEWAGE WHILE SAID SEWAGE IS IN A SUBSTANTIALLY ASEPTIC CONDITION.
Claim 2
Independent Claim
74 words
THE METHOD OF SUPPRESSING NOXIOUS ODORS IN SEWAGE COMPRISING THE STEPS OF: ADMIXING EXCRETA FROM LACTATING RUMINANTS WITH WATER IN A DIGESTER CHAMBER, ALLOWING SAID ADMIXTURE TO DIGEST UNTIL A TURN OCCURS AND A SUPERNATE IS PRODUCED, WITHDRAWING A PORTION OF SAID SUPERNATE FROM SAID DIGESTER, DILUTING SAID WITHDRAWN SUPERNATE WITH WATER TO PRODUCE AN ODOR INHIBITING ADDITIVE, AND ADDING SAID ADDITIVE TO RAW SEWAGE WHILE SAID SEWAGE IS IN A SUBSTANTIALLY ASEPTIC CONDITION.
References Cited (Backward Citations)
US2908113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |