US3376176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous inorganic nitrate salt slurry containing nitric acid and entrapped air
Assignee: Zeneca Inc
•
Filing: 1966-12-23
•
Granted: 1968-04-02
•
Expires: 1986-12-23
Abstract
No abstract record available.
Inventors
- 👤 Neil E Gehrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:11
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1186065A
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US2768072A
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US3049454A
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US3004842A
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US3212944A
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US3249474A
Cited
US3297502A
Cited
US3288658A
Cited
US3282752A
Cited
US3288661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |