Patent US3254844A successfully refreshed from Google Patents.
US3254844A
Expired / Lapsed
US
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Aspiration spray device
Assignee: Melnor Industries Inc
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Filing: 1964-03-11
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Granted: 1966-06-07
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Blasnik William
- 👤 Bernard C Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:48
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/244; B05B7/2443
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN ASPIRATION SPRAY DEVICE COMPRISING A BASE HAVING AN ASPIRATION PORT, A CARRIER FLUID INLET PORT AND A CARRIER FLUID OUTLET PORT, A CONDUIT COMMUNICATING WITH SAID ASPIRATION PORT AND ADAPTED TO EXTEND INTO A SUPPLY OF ASPIRATION MATERIAL, AND A CONTROL ELEMENT MOVABLY MOUNTED ON SAID BASE IN OPERATIVE ENGAGEMENT WITH SAID PORTS, SAID CONTROL ELEMENT HAVING A FIRST PASSAGE ADAPTED, WHEN SAID ELEMENT IS IN A FIRST POSITION, TO COMMUNICATE BETWEEN SAID INLET AND OUTLET PORTS, AND A SECOND PASSAGE BETWEEN SAID FIRST PASSAGE AND THE EXTERIOR OF SAID ELEMENT AND ADAPTED TO REGISTER WITH SAID ASPIRATION PORT WHEN SAID ELEMENT IS IN SAID FIRST POSITION, SAID ELEMENT HAVING A THIRD PASSAGE ADAPTED, WHEN SAID ELEMENT IS IN A SECOND POSITION, TO COMMUNICATE BETWEEN SAID INLET PORT AND SAID ASPIRATION PORT, SAID FIRST PASSAGE THEN BEING OUT OF COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS.
Claim 2
Dependent Claim
147 words
AN ASPIRATION SPRAY DEVICE COMPRISING A BASE HAVING AN ASPIRATION PORT, A CARRIER FLUID INLET PORT AND A CARRIER FLUID OUTLET PORT, A CONDUIT COMMUNICATING WITH SAID ASPIRATION PORT AND ADAPTED TO EXTEND INTO A SUPPLY OF ASPIRATION MATERIAL, AND A CONTROL ELEMENT MOVABLY MOUNTED ON SAID BASE IN OPERATIVE ENGAGEMENT WITH SAID PORTS, SAID CONTROL ELEMENT HAVING A FIRST PASSAGE ADAPTED, WHEN SAID ELEMENT IS IN A FIRST POSITION, TO COMMUNICATE BETWEEN SAID INLET AND OUTLET PORTS, AND A SECOND PASSAGE BETWEEN SAID FIRST PASSAGE AND THE EXTERIOR OF SAID ELEMENT AND ADAPTED TO REGISTER WITH SAID ASPIRATION PORT WHEN SAID ELEMENT IS IN SAID FIRST POSITION, SAID ELEMENT HAVING A THIRD PASSAGE ADAPTED, WHEN SAID ELEMENT IS IN A SECOND POSITION, TO COMMUNICATE BETWEEN SAID INLET PORT AND SAID ASPIRATION PORT, SAID FIRST PASSAGE THEN BEING OUT OF COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |