US3833406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed container with desiccant coating on inside surface thereof
Assignee: OI Glass Inc
•
Filing: 1972-08-07
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Granted: 1974-09-03
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Expires: 1992-08-07
Abstract
Abstract Good desiccant coatings can be obtained on the inside surface of a closed container such as glass, ceramic, plastic or metal by applying thereto a nonparticulate, thin film about 10 microns thick consisting essentially of aluminum monohydrate, alumina, silica or oxides of titanium, zirconium, thorium, magnesium and calcium or combinations thereof dispersed in an aqueous medium and activating said coating by heat or vacuum.
Inventors
- 👤 P White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:12
CPC Classifications
B; B65; B65D; B65D23/00; B65D23/02; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1317
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
An article of manufacture as in claim 1 in which the container is glass and the desiccant coating is alumina.
Claim 2
Dependent Claim
21 words
An article of manufacture as in claim 1 in which the container is alumina and the desiccant coating is aluminum monohydrate.
Claim 3
Dependent Claim
20 words
An article of manufacture as in claim 1 in which the container is glass and the desiccant coating is thoria.
Claim 4
Dependent Claim
25 words
An article of manufacture as in claim 1 in which the container is glass and the desiccant coating is a combination of zirconia and thoria.
Claim 5
Dependent Claim
26 words
An article of manufacture as in claim 1 in which the container is glass and the desiccant coating is a combination of alumina and calcium oxide.
Claim 6
Dependent Claim
26 words
An article of manufacture as in claim 1 in which the container is glass and the desiccant coating is a combination of alumina and magnesium oxide.
References Cited (Backward Citations)
US2832701A
Cited
US2885746A
Cited
US2995463A
Cited
US3175117A
Cited
US3326810A
Cited
US3552992A
Cited
US3736172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |