Patent US3151845A successfully refreshed from Google Patents.
US3151845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1964-10-06
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:47
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/22; B01; B01F; B01F33/00; B01F33/50; B01F33/501; B01F33/5011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A MIXING MACHINE (10) HAVING A ROTATABLE MIXING CHAMBER (13) AND MEANS (11) TO ROTATE THE CHAMBER; DRAIN APPARATUS INCLUDING A DRAIN VALVE FRAME (15) FIXED WITHIN THE WALL OF SAID CHAMBER, SAID FRAME HAVING AN ANNULAR BEARING PORTION (15A) AND A DEPENDING ANNULAR FLANGE (16) AND A PAIR OF OPPOSED PINS (17) FIXED IN SAID FLANGE AND EXTENDING INWARDLY THEREOF; SAID DRAIN APPARATUS ALSO INCLUDING A CYLINDRICAL PLUG MEMBER (23) HAVING SEALING MEANS (22) THEREON, SAID SEALING MEANS ENGAGING SAID BEARING PORTION TO EFFECT A SEAL, AND SAID PLUG MEMBER HAVING A DEPENDING OUTWARDLY EXTENDING RIM (25) HAVING A NOTCH (26) TO PASS A SAID PIN, THE DIAMETER OF SAID RIM BEING SMALLER THAN THE DIAMETER OF SAID FLANGE AND GREATER THAN THE DISTANCE BETWEEN THE INNER ENDS OF SAID PINS; WHEREBY WHEN SAID PLUG MEMBER IS ENGAGED WITHIN SAID BEARING PORTION SAID RIM IS SUPPORTED ON SAID PINS.
Claim 2
Dependent Claim
151 words
IN A MIXING MACHINE (10) HAVING A ROTATABLE MIXING CHAMBER (13) AND MEANS (11) TO ROTATE THE CHAMBER; DRAIN APPARATUS INCLUDING A DRAIN VALVE FRAME (15) FIXED WITHIN THE WALL OF SAID CHAMBER, SAID FRAME HAVING AN ANNULAR BEARING PORTION (15A) AND A DEPENDING ANNULAR FLANGE (16) AND A PAIR OF OPPOSED PINS (17) FIXED IN SAID FLANGE AND EXTENDING INWARDLY THEREOF; SAID DRAIN APPARATUS ALSO INCLUDING A CYLINDRICAL PLUG MEMBER (23) HAVING SEALING MEANS (22) THEREON, SAID SEALING MEANS ENGAGING SAID BEARING PORTION TO EFFECT A SEAL, AND SAID PLUG MEMBER HAVING A DEPENDING OUTWARDLY EXTENDING RIM (25) HAVING A NOTCH (26) TO PASS A SAID PIN, THE DIAMETER OF SAID RIM BEING SMALLER THAN THE DIAMETER OF SAID FLANGE AND GREATER THAN THE DISTANCE BETWEEN THE INNER ENDS OF SAID PINS; WHEREBY WHEN SAID PLUG MEMBER IS ENGAGED WITHIN SAID BEARING PORTION SAID RIM IS SUPPORTED ON SAID PINS.
References Cited (Backward Citations)
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Cited
US107050A
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US151381A
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US208292A
Cited
US1690735A
Cited
GB327256A
Cited
US2665028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |