US3255776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milking machine pulsator
Assignee: Dairy Equipment Co
•
Filing: 1963-02-06
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Granted: 1966-06-14
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Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel O Noorlander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; A01J5/12; A01J5/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A MILKING MACHINE PULSATOR SYSTEM COMPRISING A VACUUM SOURCE, HOUSING MEANS DEFINING TWO CHAMBERS EACH OF WHICH IS PROVIDED WITH A VENT TO ATMOSPHERE AND A CONDUIT, SAID VENTS BEING OF UNEQUAL SIZE, SAID CONDUITS BEING IN OPEN COMMUNICATION WITH SAID CHAMBERS AND ADAPTED FOR CONNECTION TO TEAT CUPS, A PASSAGE IN THE HOUSING MEANS CONNECTED TO SAID VACUUM SOURCE, A PORT IN EACH CHAMBER AFFORDING COMMUNICATION BETWEEN THE CHAMBER AND THE PASSAGE, INDEPENDENT VALVE MEANS IN EACH CHAMBER FOR ALTERNATELY CLOSING THE VENT AND THE PORT, MEANS FOR OPERATING EACH VALVE MEANS, AND TIMER CONTROL MEANS FOR AUTOMATICALLY REPETITIVELY AND SEQUENTIALLY ENERGIZING SAID OPERATING MEANS, SAID TIMER CONTROL MEANS INCLUDING MEANS FOR RELATIVELY ADJUSTING THE PERCENTAGE OF TIME THE VALVE MEANS CLOSE THEIR RESPECTIVE VENTS WHEREBY VACUUM MAY BE APPLIED TO ONE CONDUIT FOR A GREATER PERCENTAGE OF TIME THAN TO THE OTHER CONDUIT.
Claim 2
Dependent Claim
145 words
A MILKING MACHINE PULSATOR SYSTEM COMPRISING A VACUUM SOURCE, HOUSING MEANS DEFINING TWO CHAMBERS EACH OF WHICH IS PROVIDED WITH A VENT TO ATMOSPHERE AND A CONDUIT, SAID VENTS BEING OF UNEQUAL SIZE, SAID CONDUITS BEING IN OPEN COMMUNICATION WITH SAID CHAMBERS AND ADAPTED FOR CONNECTION TO TEAT CUPS, A PASSAGE IN THE HOUSING MEANS CONNECTED TO SAID VACUUM SOURCE, A PORT IN EACH CHAMBER AFFORDING COMMUNICATION BETWEEN THE CHAMBER AND THE PASSAGE, INDEPENDENT VALVE MEANS IN EACH CHAMBER FOR ALTERNATELY CLOSING THE VENT AND THE PORT, MEANS FOR OPERATING EACH VALVE MEANS, AND TIMER CONTROL MEANS FOR AUTOMATICALLY REPETITIVELY AND SEQUENTIALLY ENERGIZING SAID OPERATING MEANS, SAID TIMER CONTROL MEANS INCLUDING MEANS FOR RELATIVELY ADJUSTING THE PERCENTAGE OF TIME THE VALVE MEANS CLOSE THEIR RESPECTIVE VENTS WHEREBY VACUUM MAY BE APPLIED TO ONE CONDUIT FOR A GREATER PERCENTAGE OF TIME THAN TO THE OTHER CONDUIT.
References Cited (Backward Citations)
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US1379800A
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US1924931A
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US2418776A
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US2660190A
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US2912007A
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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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |