US4390027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application unit for epicutaneous testing or treatment
Assignee: Individual
•
Filing: 1980-07-18
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Granted: 1983-06-28
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Expires: 2000-07-18
Abstract
Abstract The present invention relates to an application unit to be used for epicutaneous testing to clarify the etiology and diagnosis of allergic contact eczema and for the administration of therapeutically active substances for topical treatment of skin diseases, and comprising a carrier which consists a number of application devices each one of said devices is supplied with an application surface for one substance. The application device is composed of a nonabsorbent material. The said application surface is essentially located at the same level with the carrier's adhesive surface and is surrounded by an annular groove. The application units are covered by a covering layer which is provided with domes located above each application device and encompass the substances hermatically.
Inventors
- 👤 Safwat D. Alani
- 👤 Milhim D. Sellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/0035; A61B2010/0009
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
108 words
An application unit comprising: (a) a substantially planar carrier with an adhesive surface and at least one application device and (b) a covering layer substantially coextensive with the carrier, each application device consisting of a durable sheet made of nonabsorbent, impermeable material and (c) an application surface for one substance in substantially the same plane as that of the carrier and (d) an annular groove surrounding and extending from the application surface in a direction opposite that of the adhesive surface; the covering layer being substantially planar, but having an elevated area corresponding to each application surface and projecting in a direction opposite that of the annular groove.
Claim 2
Dependent Claim
108 words
An application unit comprising: (a) a substantially planar carrier with an adhesive surface and at least one application device and (b) a covering layer substantially coextensive with the carrier, each application device consisting of a durable sheet made of nonabsorbent, impermeable material and (c) an application surface for one substance in substantially the same plane as that of the carrier and (d) an annular groove surrounding and extending from the application surface in a direction opposite that of the adhesive surface; the covering layer being substantially planar, but having an elevated area corresponding to each application surface and projecting in a direction opposite that of the annular groove.
Claim 3
Dependent Claim
27 words
An application unit according to claim 1 wherein each application surface has a peripherally-located projecting edge which extends in a direction opposite that of the annular groove.
Claim 4
Dependent Claim
31 words
An application unit according to claim 1 wherein the covering layer is adhered to the carrier and each elevated area of said covering layer is directly opposite a corresponding application surface.
Claim 5
Dependent Claim
18 words
An application unit according to claim 3 wherein at least one application surface has a test substance thereon.
Claim 6
Dependent Claim
17 words
An application unit according to claim 3 wherein at least one application surface has a medicament thereon.
Claim 7
Dependent Claim
27 words
An application unit according to claim 3 wherein each application surface has a peripherally-located projecting edge which extends in a direction opposite that of the annular groove.
Claim 8
Dependent Claim
29 words
An application unit according to claim 6 wherein each application surface contains a quantity of substance equivalent to one dose for a single test or for a single treatment.
Claim 9
Dependent Claim
29 words
An application unit according to claim 3 wherein each application surface contains a quantity of substance equivalent to one dose for a single test or for a single treatment.
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) | 1986-06-27 | 1986-12-27 | 1987-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-27 | 1990-12-27 | 1991-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-27 | 1994-12-27 | 1995-06-28 | $7700.00 | Window Closed / Lapsed |