US3251580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed mixing head and turbine
Assignee: GIFFORD WOOD Inc
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Filing: 1964-10-29
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Granted: 1966-05-17
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Expires: 1984-10-29
Abstract
No abstract record available.
Inventors
- 👤 Robert E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:08
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/86; B01F33/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A HIGH SPEED MIXING HEAD, A STATOR TUBE, A STATOR RING ON THE LOWER END OF SAID TUBE RIGID THEREWITH AND HAVING A FORWARD MAIN CHAMBER AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GENERALLY AXIAL RELATIVELY SMALL OPENINGS LEADING FROM SAID CHAMBER AND OPENING THROUGH THE OTHER END OF SAID RING IN SURROUNDING RELATION TO SAID TUBE, SAID RING HAVING AN INTERNAL CONICALLY TAPERED WALL AT THE JUNCTURE OF SAID OPENINGS AND CHAMBER, A MIXING ROTOR DISPOSED BODILY WITHIN SAID CHAMBER AND HAVING PLURAL CIRCUMFERENTIALLY SPACED BLADES INCLUDING INCLINED CONVERGING EDGES ARRANGED CLOSE TO AND PARALLEL TO SAID TAPERED WALL, SAID BLADES ALSO HAVING SQUARE CORNERS WHOSE ANGULAR EDGES ARE PARALLEL RESPECTIVELY TO THE SIDE WALL OF SAID CHAMBER AND THE FORWARD END OF THE STATOR RING, A HUB ELEMENT INTEGRAL WITH AND CARRYING SAID BLADES AND PROJECTING INTO THE BORE OF THE STATOR TUBE, A ROTARY SHAFT WITHIN THE STATOR TUBE INTERFITTING WITH SAID HUB ELEMENT, AND A BAYONET SLOT AND PIN CONNECTION BETWEEN THE HUB ELEMENT AND SHAFT TO ALLOW READY SEPARATION AND EASY CLEANING OF THE MIXING HEAD PARTS.
Claim 2
Dependent Claim
182 words
IN A HIGH SPEED MIXING HEAD, A STATOR TUBE, A STATOR RING ON THE LOWER END OF SAID TUBE RIGID THEREWITH AND HAVING A FORWARD MAIN CHAMBER AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GENERALLY AXIAL RELATIVELY SMALL OPENINGS LEADING FROM SAID CHAMBER AND OPENING THROUGH THE OTHER END OF SAID RING IN SURROUNDING RELATION TO SAID TUBE, SAID RING HAVING AN INTERNAL CONICALLY TAPERED WALL AT THE JUNCTURE OF SAID OPENINGS AND CHAMBER, A MIXING ROTOR DISPOSED BODILY WITHIN SAID CHAMBER AND HAVING PLURAL CIRCUMFERENTIALLY SPACED BLADES INCLUDING INCLINED CONVERGING EDGES ARRANGED CLOSE TO AND PARALLEL TO SAID TAPERED WALL, SAID BLADES ALSO HAVING SQUARE CORNERS WHOSE ANGULAR EDGES ARE PARALLEL RESPECTIVELY TO THE SIDE WALL OF SAID CHAMBER AND THE FORWARD END OF THE STATOR RING, A HUB ELEMENT INTEGRAL WITH AND CARRYING SAID BLADES AND PROJECTING INTO THE BORE OF THE STATOR TUBE, A ROTARY SHAFT WITHIN THE STATOR TUBE INTERFITTING WITH SAID HUB ELEMENT, AND A BAYONET SLOT AND PIN CONNECTION BETWEEN THE HUB ELEMENT AND SHAFT TO ALLOW READY SEPARATION AND EASY CLEANING OF THE MIXING HEAD PARTS.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |