US3317433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat rupturable capsules
Assignee: NCR Voyix Corp
•
Filing: 1960-01-27
•
Granted: 1967-05-02
•
Expires: 1980-01-27
Abstract
No abstract record available.
Inventors
- 👤 Herman J Eichel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/287; B01; B01J; B01J13/00; B01J13/02; B01J13/025; B01J13/06; B01J13/10; C; C09; C09J; C09J7/00; C09J7/30; C09J7/35; Y; Y10; Y10S; Y10S521/00; Y10S521/912; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/249994; Y10T428/249995; Y10T428/249997; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987; Y10T428/2989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AS AN ARTICLE OF MANUFACTURE, A MINUTE GAS-RUPTURABLE CAPSULE CONSISTING ESSENTIALLY OF (A) A SUBSTANTIALLY WATER-INSOLUBLE CORE MATERIAL, (B) A SEAMLESS GAS-PRESSURE-RUPTURABLE SOLID CAPSULE WALL OF HYDROPHILIC FILM-FORMING POLYMERIC MATERIAL SURROUNDING AND NORMALLY CONFINING SAID CORE MA TERIAL, AND (C) DISPOSED IN SAID CAPSULE A HEAT-ACTIVATABLE MATERIAL, WHICH ITSELF, WHEN HEATED ABOVE AN ELEVATED PREDETERMINED TEMPERATURE, RAPIDLY AND ABRUPTLY EVOLVES, IN SITU, AN AMOUNT OF GAS EXERTING A PRESSURE SUFFICIENT TO ABRUPTLY RUPTURE THE CAPSULE WALL, THEREBY RELEASING THE CONFINED CORE MATERIAL.
Claim 2
Dependent Claim
82 words
AS AN ARTICLE OF MANUFACTURE, A MINUTE GAS-RUPTURABLE CAPSULE CONSISTING ESSENTIALLY OF (A) A SUBSTANTIALLY WATER-INSOLUBLE CORE MATERIAL, (B) A SEAMLESS GAS-PRESSURE-RUPTURABLE SOLID CAPSULE WALL OF HYDROPHILIC FILM-FORMING POLYMERIC MATERIAL SURROUNDING AND NORMALLY CONFINING SAID CORE MA TERIAL, AND (C) DISPOSED IN SAID CAPSULE A HEAT-ACTIVATABLE MATERIAL, WHICH ITSELF, WHEN HEATED ABOVE AN ELEVATED PREDETERMINED TEMPERATURE, RAPIDLY AND ABRUPTLY EVOLVES, IN SITU, AN AMOUNT OF GAS EXERTING A PRESSURE SUFFICIENT TO ABRUPTLY RUPTURE THE CAPSULE WALL, THEREBY RELEASING THE CONFINED CORE MATERIAL.
References Cited (Backward Citations)
US1356544A
Cited
US1707762A
Cited
US2745808A
Cited
US2797201A
Cited
US2800457A
Cited
US2901446A
Cited
US2949424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |