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Patent US3351584A successfully refreshed from Google Patents.
US3351584A
Expired / Lapsed
US
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Nu-propargyl sulfamides
Assignee: Sandoz AG
•
Filing: 1964-07-17
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Granted: 1967-11-07
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 William J Houlihan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:19
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/18; C; C07; C07C; C07C307/00; C07C307/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
5 words
A SULFAMIDE OF THE FORMULA
Claim 4
Dependent Claim
5 words
A SULFAMIDE OF THE FORMULA
Claim 5
Dependent Claim
5 words
A SULFAMIDE OF THE FORMULA
Claim 6
Dependent Claim
5 words
A SULFAMIDE OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |