US2999293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of granulating effervescent materials
Assignee: Warner Lambert Co LLC
•
Filing: 1957-09-12
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Granted: 1961-09-12
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Taff Albert Wesley
- 👤 Joseph M White
- 👤 Robert E Kolb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/10; A; A61; A61K; A61K9/00; A61K9/0002; A61K9/0007; B01F; B01F27/00; B01F27/60; B01F27/72; B01F27/725; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 0
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US2726959A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |