US3146718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for sani-quick glassware
Assignee: Hobart Manfacturing Co
•
Filing: 1962-05-17
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Granted: 1964-09-01
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Fox
- 👤 Donald E Vandeveer
- 👤 Henry E Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:56
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0065; A47L15/0068; A47L15/42; A47L15/44; A47L15/4418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A GLASS WASHING MACHINE, PUMP MEANS FOR METERING SELECTED QUANTITIES OF FLUID MATERIAL HAVING CLEANSING PROPERTIES, SAID PUMP COMPRISING A HOUSING PROVIDED WITH CENTRALLY LOCATED PASSAGE THERETHROUGH, A RECIPROCABLE PISTON SLIDABLY RECEIVED IN THE LONGITUDINAL PASSAGE OF SAID HOUSING, PASSAGE MEANS EXTENDING THROUGH SAID PISTON IN THE DIRECTION OF THE RECIPROCABLE MOVEMENT THEREOF, SAID PISTON HAVING A REDUCED DIAMETER PORTION FORMING AN ANNULAR CHAMBER IN CONJUNCTION WITH SAID HOUSING, RADIAL PASSAGE MEANS CONNECTING SAID PASSAGE MEANS IN SAID PISTON WITH SAID ANNULAR CHAMBER, STEM ADJUSTABLY
Claim 2
Dependent Claim
86 words
IN A GLASS WASHING MACHINE, PUMP MEANS FOR METERING SELECTED QUANTITIES OF FLUID MATERIAL HAVING CLEANSING PROPERTIES, SAID PUMP COMPRISING A HOUSING PROVIDED WITH CENTRALLY LOCATED PASSAGE THERETHROUGH, A RECIPROCABLE PISTON SLIDABLY RECEIVED IN THE LONGITUDINAL PASSAGE OF SAID HOUSING, PASSAGE MEANS EXTENDING THROUGH SAID PISTON IN THE DIRECTION OF THE RECIPROCABLE MOVEMENT THEREOF, SAID PISTON HAVING A REDUCED DIAMETER PORTION FORMING AN ANNULAR CHAMBER IN CONJUNCTION WITH SAID HOUSING, RADIAL PASSAGE MEANS CONNECTING SAID PASSAGE MEANS IN SAID PISTON WITH SAID ANNULAR CHAMBER, STEM ADJUSTABLY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |