Patent US3288077A successfully refreshed from Google Patents.
US3288077A
Expired / Lapsed
US
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Machine for working and simultaneously delivering or conveying liquids, viscous or plastic compositions and powders
Assignee: Bayer AG
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Filing: 1965-08-20
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Granted: 1966-11-29
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Meskat Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:30
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/16; B; B01; B01F; B01F27/00; B01F27/60; B01F27/72; B01F27/721; B01F27/722; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/46; B29B7/48; B29B7/488; B29B7/489; B29B7/80; B29B7/802; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/18; B29C48/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MACHINE FOR WORKING AND SIMULTANEOUSLY DELIVERING LIQUID, VISCOUS OR PLASTIC COMPOSITIONS AND POWDERS, WHICH COMPRISES AT LEAST TWO SCREWS WHICH ARE ARRANGED IN A COMMON HOUSING AND WHICH ARE EACH PROVIDED WITH AN ECCENTRIC CORE WHEREIN THE CENTRAL AXES OF THE CORES OF THE ADJACENT SCREWS ARE ARRANGED ECCENTRICALLY RELATIVE TO THE SPINDLES ROTATING IN THE SAME DIRECTION BY WHICH THE SCREWS ARE DRIVEN, IN SUCH A WAY THAT THE FLIGHT LANDS OF ONE SCREW ENGAGE IN THE GROOVES OF THE ADJACENT SCREW.
Claim 2
Dependent Claim
84 words
A MACHINE FOR WORKING AND SIMULTANEOUSLY DELIVERING LIQUID, VISCOUS OR PLASTIC COMPOSITIONS AND POWDERS, WHICH COMPRISES AT LEAST TWO SCREWS WHICH ARE ARRANGED IN A COMMON HOUSING AND WHICH ARE EACH PROVIDED WITH AN ECCENTRIC CORE WHEREIN THE CENTRAL AXES OF THE CORES OF THE ADJACENT SCREWS ARE ARRANGED ECCENTRICALLY RELATIVE TO THE SPINDLES ROTATING IN THE SAME DIRECTION BY WHICH THE SCREWS ARE DRIVEN, IN SUCH A WAY THAT THE FLIGHT LANDS OF ONE SCREW ENGAGE IN THE GROOVES OF THE ADJACENT SCREW.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |