Patent US3635567A successfully refreshed from Google Patents.
US3635567A
Expired / Lapsed
US
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Package and applicator unit
Assignee: THOMAS F RICHARDSON JR
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Filing: 1969-12-31
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Granted: 1972-01-18
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Expires: 1989-12-31
Abstract
Abstract A disposable combination package and applicator unit comprises a flexible laminated strip of moisture impervious material having at one surface a cell integrally formed within the strip and containing a fluent substance to be dispensed. The cell has a rupturable wall so disposed as to release the substance only at that one surface of said strip, and layers of soft absorbent pad material are secured in overlying relation upon both surfaces of the strip.
Inventors
- 👤 Thomas F Richardson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:42
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/08; B65D83/0805; A; A47; A47K; A47K7/00; A47K7/02; A47K7/03; Y; Y10; Y10S; Y10S206/00; Y10S206/812; Y10S206/813
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
96 words
A disposable combination package and applicator unit comprising a laminated flexible strip of moisture impervious material comprising a nonrupturable backing sheet and a thinner cover Sheet having at one surface a cell integrally formed therein and containing a fluent substance to be dispensed, the cell wall formed by said thinner sheet providing a rupturable cell wall so disposed as to release said substance only at said one surface of said strip, and a layer of soft absorbent material secured in overlying relation upon at least said one surface for controlling and spreading said substance during application.
Claim 2
Dependent Claim
14 words
In the unit defined in claim 1, said sheets being composed of thermoplastic material.
Claim 3
Dependent Claim
20 words
In the unit defined in claim 1, said sheets being polyethylene, and the thinner sheet being about 2 mils thick.
References Cited (Backward Citations)
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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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |