Patent US3572407A successfully refreshed from Google Patents.
US3572407A
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US
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Fluid dispensing shut off valve assembly
Assignee: GAYLORD VENTILATORS OF CANADA Inc (FORMERLY NAMED 146485 CANADA INC) A CANADIAN Corp
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Filing: 1968-12-30
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Granted: 1971-03-23
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Expires: 1988-12-30
Abstract
Abstract A CHANNEL RUNS THROUGH THE DISPENSING HEAD AND CARRIES THE RUBBER DISPENSING TUBE AND A GUIDE SUPPORTS A PLATE SHUT OFF VALVE WHICH IS ACTUATED BY A WEIGHT COOPERATING WITH A RELEASE PLATE. THE PLATE SHUT OFF ENGAGES THE RUBBER TUBE AND SQUEEZES IT SHUT INTO A SEMI-CYLINDRICAL RECESS.
Inventors
- 👤 Clifford Delorme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:24
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/04; B67D3/041; B67D3/0003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |