US3287068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article handling pump
Assignee: Harbor Boat Building Co
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Filing: 1965-05-26
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Granted: 1966-11-22
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Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Howard J Kimmerle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:18
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30; A; A01; A01K; A01K79/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
AN APPARATUS FOR RAISING AND CONVEYING ARTICLES DISPOSED UNDER THER INFLUENCE OF AMBIENT ATMOSPHERE COMPRISING MEANS FORMING A SUBSTANTIALLY HERMETICALLY CLOSED CHAMBER, AN ARTICLE INTAKE CONDUIT HAVING AN OPEN END FOR ENGAGEMENT WITH THE ARTICLES AND COMMUNICATING WITH THE CHAMBER, A ROTARY DISCHARGE MECHANISM ASSOCIATED WITH THE CHAMBER AND EMBODYING SECTORS SUBSTANTIALLY HERMETICALLY SEALED WITH THE CHAMBER WHEN A SECTOR IS IN ARTICLE RECEIVING POSITION, MEANS INCLUDING A PUMP AND A LINE TO PULL A VACUUM IN SAID CHAMBER WHEREBY ATMOSPHERIC PRESSURE WILL CAUSE A FLOW OF ARTICLES THROUGH THE INTAKE CONDUIT INTO THE CHAMBER AND THENCE BY GRAVITY INTO THE SECTOR WHICH IS IN ARTICLE RECEIVING POSITION, AND CONTROL MEANS TO OPEN, SHUT OFF, OR REGULATE THE VACUUM PULL EXERTED IN THE CHAMBER, SAID CONTROL MENS COMPRISING A VALVE IN THE LINE, A VERTICALLY MOVABLE MEMBER IN THE CHAMBER ACTUATABLE IN ONE DIRECTION BY EXCESSIVE ACCUMULATION OF ARTICLES OR A LIQUID CARRIER THEREOF IN THE CHAMBER AND IN THE OTHER DIRECTION BY GRAVITY, AND A LINKAGE BETWEEN THE MEMBER AND THE VALVE.
Claim 2
Independent Claim
173 words
AN APPARATUS FOR RAISING AND CONVEYING ARTICLES DISPOSED UNDER THER INFLUENCE OF AMBIENT ATMOSPHERE COMPRISING MEANS FORMING A SUBSTANTIALLY HERMETICALLY CLOSED CHAMBER, AN ARTICLE INTAKE CONDUIT HAVING AN OPEN END FOR ENGAGEMENT WITH THE ARTICLES AND COMMUNICATING WITH THE CHAMBER, A ROTARY DISCHARGE MECHANISM ASSOCIATED WITH THE CHAMBER AND EMBODYING SECTORS SUBSTANTIALLY HERMETICALLY SEALED WITH THE CHAMBER WHEN A SECTOR IS IN ARTICLE RECEIVING POSITION, MEANS INCLUDING A PUMP AND A LINE TO PULL A VACUUM IN SAID CHAMBER WHEREBY ATMOSPHERIC PRESSURE WILL CAUSE A FLOW OF ARTICLES THROUGH THE INTAKE CONDUIT INTO THE CHAMBER AND THENCE BY GRAVITY INTO THE SECTOR WHICH IS IN ARTICLE RECEIVING POSITION, AND CONTROL MEANS TO OPEN, SHUT OFF, OR REGULATE THE VACUUM PULL EXERTED IN THE CHAMBER, SAID CONTROL MENS COMPRISING A VALVE IN THE LINE, A VERTICALLY MOVABLE MEMBER IN THE CHAMBER ACTUATABLE IN ONE DIRECTION BY EXCESSIVE ACCUMULATION OF ARTICLES OR A LIQUID CARRIER THEREOF IN THE CHAMBER AND IN THE OTHER DIRECTION BY GRAVITY, AND A LINKAGE BETWEEN THE MEMBER AND THE VALVE.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |