US2904548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted-3-azabicyclo [3:3:0] octane-2, 4-diones and salts thereof
Assignee: GESCHICKTER FUND FOR MEDICAL RESEARCH Inc
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Filing: 1957-01-28
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Granted: 1959-09-15
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Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Rice
- 👤 Charles H Grogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:51
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/52
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
26 words
AS A NOVEL COMPOSITION OF MATTER, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) N-SUBSTITUTED DERIVATIVES OF 3-AZABICYCLO (3:3:0) OCTANE-2, 4-DIONES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
26 words
AS A NOVEL COMPOSITION OF MATTER, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) N-SUBSTITUTED DERIVATIVES OF 3-AZABICYCLO (3:3:0) OCTANE-2, 4-DIONES HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
13 words
AS A NOVEL COMPOSITION OF MATTER, A METHONIUM SALT OF N-MORPHOLINOPROPYL-3-AZABICYCLO (3:3:0) OCTANE2,4-DIONE.
Claim 4
Dependent Claim
13 words
AS A NOVEL COMPOSITION OF MATTER, A METHONIUM SALT OF N-MORPHOLINOPROPYL-3-AZABICYCLO (3:3:0) OCTANE2,4-DIONE.
References Cited (Backward Citations)
US2541211A
Cited
US2745836A
Cited
FR1108117A
Cited
US2743270A
Cited
US2784199A
Cited
US2786834A
Cited
US2802004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |