US3154116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicine dropper construction
Assignee: BARMAR PRODUCTS CORP
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Filing: 1962-12-10
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Granted: 1964-10-27
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:29
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A MEDICINE DROPPER CONSTRUCTION COMPRISING A ONEPIECE PLASTIC BARREL, AN INTEGRAL SELF-SUSTAINING PLASTIC BELLOWS, THE BELLOWS BEING OF FLEXIBLE, THIN, YIELDABLE BUT RESILIENT MATERIAL, A THREADED BOTTLE CAP, SAID CAP INCLUDING A TOP PROVIDED WITH AN APERTURE CENTRALLY LOCATED THEREIN, SAID APERTURE DEFINING THE INTERIOR EDGE OF AN INWARDLY DIRECTED FLANGE IN THE TOP OF THE CAP, AN OUTWARDLY OPENING INWARDLY DIRECTED ANNULAR RECESS ON THE BELLOWS, SAID RECESS RECEIVING THE INWARDLY DIRECTED FLANGE OF THE CAP AND HOLDING THE SAME IN SUBSTANTIALLY PERMANENT RELATIONSHIP WITH RESPECT THERETO, AN INWARDLY CONVERGING CONICAL PORTION ON SAID BELLOWS BELOW THE RECESS, SAID CONICAL PORTION BEING RELATIVELY SOFT, YIELDING AND RESILIENT AND SUBSTANTIALLY COVERING THE FLANGE AT THE INTERIOR OF THE CAP, SAID CAP DISPLACING SAID YIELDABLE CONICAL PORTION UPON AN INWARDLY DIRECTED THRUST OF THE CAP RELATIVE TO SAID BARREL AND BELLOWS.
Claim 2
Dependent Claim
140 words
A MEDICINE DROPPER CONSTRUCTION COMPRISING A ONEPIECE PLASTIC BARREL, AN INTEGRAL SELF-SUSTAINING PLASTIC BELLOWS, THE BELLOWS BEING OF FLEXIBLE, THIN, YIELDABLE BUT RESILIENT MATERIAL, A THREADED BOTTLE CAP, SAID CAP INCLUDING A TOP PROVIDED WITH AN APERTURE CENTRALLY LOCATED THEREIN, SAID APERTURE DEFINING THE INTERIOR EDGE OF AN INWARDLY DIRECTED FLANGE IN THE TOP OF THE CAP, AN OUTWARDLY OPENING INWARDLY DIRECTED ANNULAR RECESS ON THE BELLOWS, SAID RECESS RECEIVING THE INWARDLY DIRECTED FLANGE OF THE CAP AND HOLDING THE SAME IN SUBSTANTIALLY PERMANENT RELATIONSHIP WITH RESPECT THERETO, AN INWARDLY CONVERGING CONICAL PORTION ON SAID BELLOWS BELOW THE RECESS, SAID CONICAL PORTION BEING RELATIVELY SOFT, YIELDING AND RESILIENT AND SUBSTANTIALLY COVERING THE FLANGE AT THE INTERIOR OF THE CAP, SAID CAP DISPLACING SAID YIELDABLE CONICAL PORTION UPON AN INWARDLY DIRECTED THRUST OF THE CAP RELATIVE TO SAID BARREL AND BELLOWS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |