US3095349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for chlorinating wood pulp
Assignee: Improved Machinery Inc
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Filing: 1960-02-10
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Granted: 1963-06-25
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 John P Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:24
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/10; B; B01; B01F; B01F27/00; B01F27/27; B01F27/272; D21D; D21D1/00; D21D1/20; D21D1/32; B01F25/00; B01F2025/91; B01F2025/911; B01F27/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
APPARATUS FOR MIXING CHLORINE WITH A PULP STOCK COMPRISING A STATIONARY CYLINDRICAL HOUSING HAVING AN INLET AT ONE END THEREOF AND AN OUTLET AT THE OTHER END THEREOF, A ROTATABLE SHAFT EXTENDING THROUGH SAID HOUSING HAVING A ROTATABLE DRUM MOUNTED THEREIN WITHIN SAID HOUSING AND EXTENDING THEREALONG, PUMP IMPELLER MEANS MOUNTED WITHIN SAID HOUSING ADJECANT THE INLET END THEREOF, FLUID TURBINE IMPELLER MEANS MOUNTED ON SAID SHAFT ADJACENT THE OUTLET END THEREOF, SAID HOUSING, DRUM, PUMP IMPELLER MEANS AND FLUID TURBINE IMPELLER MEANS DEFINING AN ANNULAR PRESSURE CHAMBER FOR MAINTAINING SAID PULP STOCK UNDER PRESSURE AND TEMPERATURE CONDITIONS IN EXCESS
Claim 2
Dependent Claim
100 words
APPARATUS FOR MIXING CHLORINE WITH A PULP STOCK COMPRISING A STATIONARY CYLINDRICAL HOUSING HAVING AN INLET AT ONE END THEREOF AND AN OUTLET AT THE OTHER END THEREOF, A ROTATABLE SHAFT EXTENDING THROUGH SAID HOUSING HAVING A ROTATABLE DRUM MOUNTED THEREIN WITHIN SAID HOUSING AND EXTENDING THEREALONG, PUMP IMPELLER MEANS MOUNTED WITHIN SAID HOUSING ADJECANT THE INLET END THEREOF, FLUID TURBINE IMPELLER MEANS MOUNTED ON SAID SHAFT ADJACENT THE OUTLET END THEREOF, SAID HOUSING, DRUM, PUMP IMPELLER MEANS AND FLUID TURBINE IMPELLER MEANS DEFINING AN ANNULAR PRESSURE CHAMBER FOR MAINTAINING SAID PULP STOCK UNDER PRESSURE AND TEMPERATURE CONDITIONS IN EXCESS
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |