Patent US3110716A successfully refreshed from Google Patents.
US3110716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 3, 6-disubstituted-7-sulfamylbenzothiadiazine dioxides
Assignee: Pfizer Inc
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Filing: 1958-02-17
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Granted: 1963-11-12
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Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 William M Mclamore
- 👤 Gerald D Laubach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:23
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/15; C07D285/16; C07D285/18; C07D285/20; C07D285/22; C07D285/24; C07D285/26; C07D285/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE AMPHOERIC COMPOUND AND THE PHARMACOLOGICALLY ACCEPTABLE ACID AND BASE ADDITION SALTS THEREOF, SAID COMPOUND BEING SELECTED FROM THE GROUP REPRESENTED BY THE FORMULAE:
Claim 2
Dependent Claim
24 words
THE AMPHOERIC COMPOUND AND THE PHARMACOLOGICALLY ACCEPTABLE ACID AND BASE ADDITION SALTS THEREOF, SAID COMPOUND BEING SELECTED FROM THE GROUP REPRESENTED BY THE FORMULAE:
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |