Patent US3403546A successfully refreshed from Google Patents.
Patent US3341087A successfully refreshed from Google Patents.
US3341087A
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Method and apparatus for forming liquid drops
Assignee: ROSIN ENGINEERING Co Ltd
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Filing: 1963-10-16
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Granted: 1967-09-12
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Rosin Sebastian Nicholas
- 👤 Wormald Derek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0241; B01L3/0265; A; A61; A61J; A61J3/00; A61J3/06; B01J; B01J2/00; B01J2/02; B01J2/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A METHOD OF DISPENSING A LIQUID IN THE FORM OF A CONTINUOUS SERIES OF DISCRETE DROPS OF UNIFORM SIZE FROM A CONTAINER OF THE LIQUID INCLUDIG A NOZZLE HAVING AN AXIAL PASSAGEWAY COMMUNICATING WITH THE INTERIOR OF THE CONTAINER AND HAVING AN UNOBSTRUCTED OUTLET OPENING AND INCLUDING A RECIPROCABLE PLUNGER COOPERATING WITH THE NOZZLE TO CONTROL THE FLOW OF LIQUID THERETHROUGH COMPRISING THE STEPS OF MOVING THE PLUNGER TOWARD AND AWAY FROM THE NOZZLE SO AS TO CAUSE A DROP TO BE DISPENSED FROM THE OUTLET OPENING DURING EACH CYCLE OF PLUNGER OPER-
Claim 2
Independent Claim
93 words
A METHOD OF DISPENSING A LIQUID IN THE FORM OF A CONTINUOUS SERIES OF DISCRETE DROPS OF UNIFORM SIZE FROM A CONTAINER OF THE LIQUID INCLUDIG A NOZZLE HAVING AN AXIAL PASSAGEWAY COMMUNICATING WITH THE INTERIOR OF THE CONTAINER AND HAVING AN UNOBSTRUCTED OUTLET OPENING AND INCLUDING A RECIPROCABLE PLUNGER COOPERATING WITH THE NOZZLE TO CONTROL THE FLOW OF LIQUID THERETHROUGH COMPRISING THE STEPS OF MOVING THE PLUNGER TOWARD AND AWAY FROM THE NOZZLE SO AS TO CAUSE A DROP TO BE DISPENSED FROM THE OUTLET OPENING DURING EACH CYCLE OF PLUNGER OPER-
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |