US3552723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint stirrer
Assignee: Red Devil Inc
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Filing: 1968-10-15
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Granted: 1971-01-05
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Expires: 1988-10-15
Abstract
Abstract A device for stirring paint within sealed cans in which the can is given an unequal rocking motion about a pivot point causing the paint to circulate in one direction within the can.
Inventors
- 👤 William W Stefany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/06; B01; B01F; B01F31/00; B01F31/20; B01F31/23; B01F35/00; B01F35/40; B01F35/42; B01F35/421
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
90 words
A stirring machine for cans of viscous material comprising a frame, spaced cradle members rockably supported by said frame, a source of rotary power on said frame, crank means driven by said rotary power source, a link coupled to the crank means at one end and to one of the cradle means at its other end, at least one can receiving well in each of the cradle members and outwardly extending stub shafts secured to the well below the transverse center line of the well to rockably support the well.
Claim 2
Dependent Claim
90 words
A stirring machine for cans of viscous material comprising a frame, spaced cradle members rockably supported by said frame, a source of rotary power on said frame, crank means driven by said rotary power source, a link coupled to the crank means at one end and to one of the cradle means at its other end, at least one can receiving well in each of the cradle members and outwardly extending stub shafts secured to the well below the transverse center line of the well to rockably support the well.
Claim 3
Dependent Claim
29 words
A machine according to claim 1 in which an actuating lever is seCured to the end of each cradle member and freely coupled to the end of the link.
Claim 4
Dependent Claim
37 words
A machine according to claim 2 in which the combined crank means, link and actuating lever impart a rotation to the cradle members about the vertical of 15* in one direction and 20* in the opposite direction.
References Cited (Backward Citations)
US1908561A
Cited
US3437317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |