US3081913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing apparatus
Assignee: McNeil Machine and Engineering Co
•
Filing: 1960-02-26
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Granted: 1963-03-19
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Lutwin C Rotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:21
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/04; B29C31/06; B29C31/061; B29C31/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
DISPENSING APPARATUS COMPRISING A NOZZLE HAVING A NONDRIP VALVE, MEANS FOR DELIVERING A PREDETERMINED QUANTITY OF PUMPABLE MATERIAL TO THE NOZZLE COMPRISING A CYLINDER AND A PISTON MOVABLE IN THE CYLINDER, MEANS FOR CONNECTING ONE END OF THE CYLINDER WITH A SOURCE OF PUMPABLE MATERIAL UNDER PRESSURE AND THE OTHER END OF THE CYLINDER WITH THE NOZZLE AND ALTERNATELY CONNECTING SAID OTHER END OF THE CYLINDER WITH SAID SOURCE AND SAID ONE END WITH THE NOZZLE, PISTON RODS EXTENDING FROM THE PISTON IN OPPOSITE DIRECTIONS THROUGH OPPOSITE ENDS OF THE CYLINDER, STOP MEANS ENGAGEABLE BY THE PISTON RODS FOR DETERMINING THE LENGTH OF STROKE OF THE PISTON, SAID STOP MEANS BEING ADJUSTABLE FOR VARYING THE LENGTH OF STOKE, AND MEANS RESPONSIVE TO DISENGAGEMENT OF ONE OR THE OTHER OF SAID PISTON RODS FROM THE RESPECTIVE STOP MEANS WHEN SAID PISTON STARTS A STROKE IN EITHER DIRECTION FOR OPENING THE VALVE AND RESPONSIVE TO ENGAGEMENT OF ONE OR THE OTHER OF SAID PISTON RODS WITH THE RESPECTIVE STOP MEANS WHEN SAID PISTON COMPLETES A STROKE IN EITHER DIRECTION FOR CLOSING THE VALVE.
Claim 2
Dependent Claim
181 words
DISPENSING APPARATUS COMPRISING A NOZZLE HAVING A NONDRIP VALVE, MEANS FOR DELIVERING A PREDETERMINED QUANTITY OF PUMPABLE MATERIAL TO THE NOZZLE COMPRISING A CYLINDER AND A PISTON MOVABLE IN THE CYLINDER, MEANS FOR CONNECTING ONE END OF THE CYLINDER WITH A SOURCE OF PUMPABLE MATERIAL UNDER PRESSURE AND THE OTHER END OF THE CYLINDER WITH THE NOZZLE AND ALTERNATELY CONNECTING SAID OTHER END OF THE CYLINDER WITH SAID SOURCE AND SAID ONE END WITH THE NOZZLE, PISTON RODS EXTENDING FROM THE PISTON IN OPPOSITE DIRECTIONS THROUGH OPPOSITE ENDS OF THE CYLINDER, STOP MEANS ENGAGEABLE BY THE PISTON RODS FOR DETERMINING THE LENGTH OF STROKE OF THE PISTON, SAID STOP MEANS BEING ADJUSTABLE FOR VARYING THE LENGTH OF STOKE, AND MEANS RESPONSIVE TO DISENGAGEMENT OF ONE OR THE OTHER OF SAID PISTON RODS FROM THE RESPECTIVE STOP MEANS WHEN SAID PISTON STARTS A STROKE IN EITHER DIRECTION FOR OPENING THE VALVE AND RESPONSIVE TO ENGAGEMENT OF ONE OR THE OTHER OF SAID PISTON RODS WITH THE RESPECTIVE STOP MEANS WHEN SAID PISTON COMPLETES A STROKE IN EITHER DIRECTION FOR CLOSING THE VALVE.
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |