US3518343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Effervescent tablet and process for making same
Assignee: Bayer Corp
•
Filing: 1967-10-02
•
Granted: 1970-06-30
•
Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas Laurence Welsh
- 👤 Donald Leroy Peterson
- 👤 Blasey Thomas Palermo
- 👤 George Carr Hoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K9/00; A61K9/0002; A61K9/0007; A61K9/20; A61K9/2004; A61K9/48; A61K9/50; A61Q; A61Q11/00; A61K2800/00; A61K2800/20; A61K2800/22; A61K2800/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3282792A
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DE1243597B
Cited
US3330665A
Cited
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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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |