Patent US3312594A successfully refreshed from Google Patents.
US3312594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Longlasting troche
Assignee: ER Squibb and Sons LLC
•
Filing: 1963-06-21
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Granted: 1967-04-04
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Cyr Gilman Norman
- 👤 Chen James Ling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:21
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/205; A61K9/0012; A61K9/0053; A61K9/006; A61K9/2063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A LONGLASTING COMPRESSED POWDER TROCHE COMPRISING PICTIN, GELATIN AND CARBOXMETHYLCELLULOSE.
Claim 2
Dependent Claim
10 words
A LONGLASTING COMPRESSED POWDER TROCHE COMPRISING PICTIN, GELATIN AND CARBOXMETHYLCELLULOSE.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |