US3211171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milking system
Assignee: STA RITE PRODUCTS Inc
•
Filing: 1963-02-28
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Granted: 1965-10-12
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Kinsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:22
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2546; Y10T137/2931; Y10T137/3109; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/8593; Y10T137/86187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A PIPE LINE MILKING SYSTEM, MEANS DEFINING A MILK CHAMBER, CONDUIT MEANS PROVIDING COMMUNICATION BETWEEN THE CHAMBER AND A SOURCE OF VACUUM, A VALVE MEMBER DISPOSED IN SAID CONDUIT MEANS, FLUID PRESSURE RESPONSIVE MEANS OPERABLY CONNECTED TO THE VALVE MEMBER, MEANS FOR APPLYING SAID VACUUM TO SAID PRESSURE RESPONSIVE MEANS TO MOVE SAID PRESSURE RESPONSIVE MEANS IN A FIRST DIRECTION TO OPEN THE VALVE MEMBER, MEANS FOR APPLYING ATMOSPHERIC PRESSURE TO SAID PRESSURE RESPONSIVE MEANS TO MOVE SAID PRESSURE RESPONSIVE MEANS IN A SECOND DIRECTION TO CLOSE THE VALVE MEMBER, AND MEANS RESPONSIVE TO A PREDETERMINED MAXIMUM LEVEL OF MILK IN SAID CHAMBER FOR ACTIVATING SAID LAST NAMED MEANS AND CLOSING THE VALVE MEMBER.
Claim 2
Dependent Claim
115 words
IN A PIPE LINE MILKING SYSTEM, MEANS DEFINING A MILK CHAMBER, CONDUIT MEANS PROVIDING COMMUNICATION BETWEEN THE CHAMBER AND A SOURCE OF VACUUM, A VALVE MEMBER DISPOSED IN SAID CONDUIT MEANS, FLUID PRESSURE RESPONSIVE MEANS OPERABLY CONNECTED TO THE VALVE MEMBER, MEANS FOR APPLYING SAID VACUUM TO SAID PRESSURE RESPONSIVE MEANS TO MOVE SAID PRESSURE RESPONSIVE MEANS IN A FIRST DIRECTION TO OPEN THE VALVE MEMBER, MEANS FOR APPLYING ATMOSPHERIC PRESSURE TO SAID PRESSURE RESPONSIVE MEANS TO MOVE SAID PRESSURE RESPONSIVE MEANS IN A SECOND DIRECTION TO CLOSE THE VALVE MEMBER, AND MEANS RESPONSIVE TO A PREDETERMINED MAXIMUM LEVEL OF MILK IN SAID CHAMBER FOR ACTIVATING SAID LAST NAMED MEANS AND CLOSING THE VALVE MEMBER.
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |