US3492380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for encapsulation
Assignee: Pennwalt Corp
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Filing: 1967-03-07
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Granted: 1970-01-27
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Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 John Eugene Santo
- 👤 Jan Edmond Vandegaer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:00
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/14; B01J13/16; A; A01; A01N; A01N25/00; A01N25/26; A01N25/28; B41; B41M; B41M5/00; B41M5/124; B41M5/165; C; C08; C08G; C08G79/00; C08G79/02; C08G79/025; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |