Patent US3722188A successfully refreshed from Google Patents.
US3722188A
Expired / Lapsed
US
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Desiccant capsule and package embodying the same
Assignee: Individual
•
Filing: 1970-12-10
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Granted: 1973-03-27
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Expires: 1990-12-10
Abstract
Abstract A capsule of a synthetic moisture-permeable material such as cellulose acetate contains a desiccant material such as calcium oxide and has an adhesive surface which is applied to the interior of a container whereby the capsule is exposed to moisture in the container or in the contents thereof but with the capsule attached to an interior container wall to prevent the same from being commingled with the contents of the container.
Inventors
- 👤 J Cullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/24; B65D51/28; B65D51/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A capsule according to claim 1 wherein said first cup-shaped part has an outward annular flange at the rim thereof substantially coplanar with the radial wall of said second cup-shaped part and with said adhesive sheet applied across the outer surfaces of said flange and said second cup-shaped part.
References Cited (Backward Citations)
GB497852A
Cited
US2475241A
Cited
US2805183A
Cited
US2994404A
Cited
FR1246918A
Cited
US3138432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |