Patent US3802919A successfully refreshed from Google Patents.
US3802919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denture cleansing system
Assignee: Dentsply Research and Development Corp
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Filing: 1972-06-09
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Granted: 1974-04-09
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Expires: 1992-06-09
Abstract
Abstract Flexible sterile pouch means of small size to contain dentures and liquid cleaning solution in water-tight manner. The cleaning material may be contained in dry condition in the pouch until liquid is added at the time of use. An additional pouch for rinsing solution may also be associated with the cleaning pouch.
Inventors
- 👤 J Saffir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; A; A61; A61C; A61C17/00; A61C17/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
The denture cleansing system according to claim 1 further including an additional similar pouch-like receptacle connected to said first-mentioned receptacle along one similar edge of each and adapted to contain rinsing fluid, said additional receptacle also having an access opening extending along one edge and provided with a sealable water-tight closure means through which a cleansed denture may be disposed within the rinsing fluid within said additional receptacle to rinse the same and thereby prepare it for use.
Claim 2
Dependent Claim
64 words
A denture cleansing system according to claim 2 in which said receptacles are connected together along similar edges thereof and adapted to be folded along a transverse line into side-by-side relationship and said openings and sealable closure means of said receptacles respectively being on exterior surfaces thereof when said receptacles are folded into such relationship for ready access to the interiors of said receptacles.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |