US3422103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
7(aminophenylacetamido)cephalosporanic acids
Assignee: Glaxo Laboratories Ltd
•
Filing: 1967-08-11
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Granted: 1969-01-14
•
Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Wilfred Frank Wall
- 👤 Michael Fatherley
- 👤 Brian Boothroyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:24
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/24; C07D501/26; C07D501/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2985648A
Cited
US3120514A
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US3173916A
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US3167549A
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US3234223A
Cited
US3167550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |