US3572558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dropper dispenser
Assignee: Individual
•
Filing: 1969-01-02
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Granted: 1971-03-30
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Expires: 1989-01-02
Abstract
Abstract The disclosed dropper dispenser includes a plastic squeeze bottle containing the liquid to be dispensed. A tube extends through the bottle cap with its intake end submerged in the liquid and its discharge end fitted to receive and hold a drop dispenser tip. The tip includes a capillary tube through which extends an elongated drop conveying stem; the tube being deformed to engage the stem and prevent lengthwise movement thereof, while affording a liquid passage therebetween.
Inventors
- 👤 Robert M Hooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:43
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/18
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
147 words
A dropper dispenser comprising, in combination: A. a plastic squeeze bottle for containing a liquid to be dispensed; B. a discharge tube having an intake end submerged in the liquid and an exhaust end external of said bottle; and C. a dispensing tip fitted in said exhaust end of said discharge tube, said tip including: 1. a capillary tube having one end communicating with said discharge tube; and 2. a straight, elongated stem extending through said capillary tube with sufficient clearance to provide a liquid passage therebetween; a. one end of said stem extending beyond the other end of said capillary tube, 3. said capillary tube being formed having spaced crimps collapsing its sidewall into engagement with opposite sides of said stem, whereby to fixedly mount said stem in its position within said capillary tube, and leave a restricted flow path at the sides of said cRimps.
Claim 2
Dependent Claim
147 words
A dropper dispenser comprising, in combination: A. a plastic squeeze bottle for containing a liquid to be dispensed; B. a discharge tube having an intake end submerged in the liquid and an exhaust end external of said bottle; and C. a dispensing tip fitted in said exhaust end of said discharge tube, said tip including: 1. a capillary tube having one end communicating with said discharge tube; and 2. a straight, elongated stem extending through said capillary tube with sufficient clearance to provide a liquid passage therebetween; a. one end of said stem extending beyond the other end of said capillary tube, 3. said capillary tube being formed having spaced crimps collapsing its sidewall into engagement with opposite sides of said stem, whereby to fixedly mount said stem in its position within said capillary tube, and leave a restricted flow path at the sides of said cRimps.
Claim 3
Dependent Claim
33 words
a straight, elongated stem extending through said capillary tube with sufficient clearance to provide a liquid passage therebetween; a. one end of said stem extending beyond the other end of said capillary tube,
Claim 4
Dependent Claim
33 words
a straight, elongated stem extending through said capillary tube with sufficient clearance to provide a liquid passage therebetween; a. one end of said stem extending beyond the other end of said capillary tube,
Claim 5
Dependent Claim
19 words
The dispenser defined in claim 1 wherein said crimps are formed in said capillary tube at diametrically opposed locations.
Claim 6
Dependent Claim
7 words
The dispenser defined in claim 2 wherein:
Claim 7
Dependent Claim
44 words
said capillary tube being formed having spaced crimps collapsing its sidewall into engagement with opposite sides of said stem, whereby to fixedly mount said stem in its position within said capillary tube, and leave a restricted flow path at the sides of said cRimps.
Claim 8
Dependent Claim
44 words
said capillary tube being formed having spaced crimps collapsing its sidewall into engagement with opposite sides of said stem, whereby to fixedly mount said stem in its position within said capillary tube, and leave a restricted flow path at the sides of said cRimps.
Claim 9
Dependent Claim
22 words
The dispenser defined in claim 1 wherein said exhaust end of said discharge tube being necked-down pursuant to accommodating said dispensing tip.
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |