US3240225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selecting and purging apparatus
Assignee: Individual
•
Filing: 1963-01-17
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Granted: 1966-03-15
•
Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Benjamin G Barrows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
B; B05; B05B; B05B12/00; B05B12/14; B05B12/149; B05B15/00; B05B15/50; B05B15/55; B05B7/00; B05B7/24; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/8593; Y10T137/86911; Y10T137/87917; Y10T137/87925; Y10T137/87981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
IN A COUPLING ASSEMBLY ADAPTED FOR AUTOMATIC PURGING WHEN UNCOUPLED: (A) A SUPPORT MEMBER HAVING A WALL WITH A PASSAGEWAY EXTENDING THERETHROUGH, PURGING SOLUTION CARRYING MEANS COMMUNICATING WITH SAID SUPPORT MEMBER PASSAGEWAY, (B) A RAM RECIPROCALLY SLIDABLE WITHIN SAID SUPPORT MEMBER AND HAVING A WALL FORMING AN AXIALLY EXTENDING CHAMBER THEREIN WITH A REAR PORTION, A FLOW TRANSMITTING COUPLING MEMBER HAVING A FLOW PASSAGEWAY THERETHROUGH ASSOCIATED WITH SAID RAM AND AT LEAST PARTIALLY IN SAID CHAMBER, VALVE MEANS IN SAID CHAMBER BETWEEN SAID COUPLING MEMBER AND SAID CHAMBER REAR PORTION AND OPERATIVE TO PREVENT FLOW THROUGH SAID COUPLING MEMBER INTO SAID CHAMBER REAR PORTION UPON A PREDETERMINED RECIPROCATION MOVEMENT OF SAID RAM IN ONE DIRECTION AND PERMIT FLOW INTO SAID CHAMBER REAR PORTION UPON A PREDETERMINED RECIPROCATION MOVEMENT IN THE OPPOSITE DIRECTION, MEANS FORMING A DISPENSING PASSAGEWAY COMMUNICATING WITH SAID CHAMBER REAR PORTION, (C) A RAM PASSAGEWAY IN SAID RAM AND COMMUNICATING BETWEEN SAID RAM CHAMBER REAR PORTION AND SAID SUPPORT MEMBER, SAID RAM PASSAGEWAY COMMUNICATING WITH SAID SUPPORT MEMBER PASSAGEWAY WHEN SAID RAM IS RECIPROCATED IN SAID ONE DIRECTION, SAID SUPPORT MEMBER WALL SEALING SAID RAM PASSAGEWAY AND SAID RAM WALL SEALING SAID SUPPORT MEMBER PASSAGEWAY WHEN SAID RAM IS RECIPROCATED IN SAID OPPOSITE DIRECTION, AND (D) MEANS FOR SELECTIVELY RECIPROCATING SAID RAM.
Claim 2
Dependent Claim
214 words
IN A COUPLING ASSEMBLY ADAPTED FOR AUTOMATIC PURGING WHEN UNCOUPLED: (A) A SUPPORT MEMBER HAVING A WALL WITH A PASSAGEWAY EXTENDING THERETHROUGH, PURGING SOLUTION CARRYING MEANS COMMUNICATING WITH SAID SUPPORT MEMBER PASSAGEWAY, (B) A RAM RECIPROCALLY SLIDABLE WITHIN SAID SUPPORT MEMBER AND HAVING A WALL FORMING AN AXIALLY EXTENDING CHAMBER THEREIN WITH A REAR PORTION, A FLOW TRANSMITTING COUPLING MEMBER HAVING A FLOW PASSAGEWAY THERETHROUGH ASSOCIATED WITH SAID RAM AND AT LEAST PARTIALLY IN SAID CHAMBER, VALVE MEANS IN SAID CHAMBER BETWEEN SAID COUPLING MEMBER AND SAID CHAMBER REAR PORTION AND OPERATIVE TO PREVENT FLOW THROUGH SAID COUPLING MEMBER INTO SAID CHAMBER REAR PORTION UPON A PREDETERMINED RECIPROCATION MOVEMENT OF SAID RAM IN ONE DIRECTION AND PERMIT FLOW INTO SAID CHAMBER REAR PORTION UPON A PREDETERMINED RECIPROCATION MOVEMENT IN THE OPPOSITE DIRECTION, MEANS FORMING A DISPENSING PASSAGEWAY COMMUNICATING WITH SAID CHAMBER REAR PORTION, (C) A RAM PASSAGEWAY IN SAID RAM AND COMMUNICATING BETWEEN SAID RAM CHAMBER REAR PORTION AND SAID SUPPORT MEMBER, SAID RAM PASSAGEWAY COMMUNICATING WITH SAID SUPPORT MEMBER PASSAGEWAY WHEN SAID RAM IS RECIPROCATED IN SAID ONE DIRECTION, SAID SUPPORT MEMBER WALL SEALING SAID RAM PASSAGEWAY AND SAID RAM WALL SEALING SAID SUPPORT MEMBER PASSAGEWAY WHEN SAID RAM IS RECIPROCATED IN SAID OPPOSITE DIRECTION, AND (D) MEANS FOR SELECTIVELY RECIPROCATING SAID RAM.
References Cited (Backward Citations)
US2257004A
Cited
US3128787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |