Patent US2512192A successfully refreshed from Google Patents.
US2512192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone resin medicament coating
Assignee: Wyeth Holdings LLC
•
Filing: 1948-05-26
•
Granted: 1950-06-20
•
Expires: 1968-05-26
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Yen
- 👤 Frank E Stirn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2806; A61K9/2833; A61K9/2853; A61K9/48; A61K9/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AS A NEW ARTICLE OF MANUFACTURE A MEDICAMENT SURROUNDED BY A MOISTURE AND ODOR RESISTANT LAYER OF A SILICONE RESIN WHICH IS TACK FREE AND WHICH UPON INGESTION PERMITS READY DISTINEGRATION AND ASSIMILATION OF SUCH ARTICLE.
Claim 2
Dependent Claim
36 words
AS A NEW ARTICLE OF MANUFACTURE A MEDICAMENT SURROUNDED BY A MOISTURE AND ODOR RESISTANT LAYER OF A SILICONE RESIN WHICH IS TACK FREE AND WHICH UPON INGESTION PERMITS READY DISTINEGRATION AND ASSIMILATION OF SUCH ARTICLE.
References Cited (Backward Citations)
US2389477A
Cited
US2205111A
Cited
US2329632A
Cited
US2386466A
Cited
US2371050A
Cited
US2306222A
Cited
US2386259A
Cited
US2408822A
Cited
US2395550A
Cited
US2394642A
Cited
US2410417A
Cited
US2470772A
Cited
US2424853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |