US3101092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum compensator valve for milking machines
Assignee: Individual
•
Filing: 1960-05-10
•
Granted: 1963-08-20
•
Expires: 1980-05-10
Abstract
No abstract record available.
Inventors
- 👤 Seaborne Thomas Leslie
- 👤 Road Brunswick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/047; A01J5/048; F; F16; F16K; F16K15/00; F16K15/18; F16K15/182; F16K24/00; F16K24/06; F16K47/00; F16K47/01; F16K47/011; F16K47/0111; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5196; Y10T137/7722; Y10T137/7738; Y10T137/774; Y10T137/7837; Y10T137/785; Y10T137/7876; Y10T137/7904; Y10T137/7908; Y10T137/7921; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A VACUUM COMPENSATOR VALVE FOR MILKING MACHINES COMPRISING A HEAD CASING HAVING A CHAMBER WITH AN OUTLET FOR CONNECTION TO A VACUUM SYSTEM, AN AIR ADMISSION PASSAGE IN THE BASE OF SAID HEAD CASING, A PRELOADED VALVE IN SAID CHAMBER URGED TO NORMALLY CLOSE SAID PASSAGE, A VERTICAL STEM SUPPORTING SAID VALVE, A REACTION MEMBER ON THE UPPER END OF THE STEM ACTED ON BY THE INRUSHING AIR WHEN THE VALVE IS OPENED AND CONSTITUTING SECONDARY VALVE LIFTING MEANS, A DEPENDING ANNULAR FLANGE ON SAID CASING SUPPORTING AN OUTER SKIRT, BOTH THE FLANGE AND THE SKIRT HAVING COREGISTERING SLOTS FOR AIR ADMISSION TO THE INTERIOR OF SAID FLANGE, AND A DISC CONNECTED TO SAID VALVE AND SLIDABLY ENGAGING THE INNER SURFACE OF SAID ANNULAR FLANGE, SAID DISC AND FLANGE DEFINING A SECOND CHAMBER
Claim 2
Dependent Claim
133 words
A VACUUM COMPENSATOR VALVE FOR MILKING MACHINES COMPRISING A HEAD CASING HAVING A CHAMBER WITH AN OUTLET FOR CONNECTION TO A VACUUM SYSTEM, AN AIR ADMISSION PASSAGE IN THE BASE OF SAID HEAD CASING, A PRELOADED VALVE IN SAID CHAMBER URGED TO NORMALLY CLOSE SAID PASSAGE, A VERTICAL STEM SUPPORTING SAID VALVE, A REACTION MEMBER ON THE UPPER END OF THE STEM ACTED ON BY THE INRUSHING AIR WHEN THE VALVE IS OPENED AND CONSTITUTING SECONDARY VALVE LIFTING MEANS, A DEPENDING ANNULAR FLANGE ON SAID CASING SUPPORTING AN OUTER SKIRT, BOTH THE FLANGE AND THE SKIRT HAVING COREGISTERING SLOTS FOR AIR ADMISSION TO THE INTERIOR OF SAID FLANGE, AND A DISC CONNECTED TO SAID VALVE AND SLIDABLY ENGAGING THE INNER SURFACE OF SAID ANNULAR FLANGE, SAID DISC AND FLANGE DEFINING A SECOND CHAMBER
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |