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Patent US3138527A successfully refreshed from Google Patents.
US3138527A
Expired / Lapsed
US
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Topical anti-inflammatory process
Assignee: Pharmacia and Upjohn Co
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Filing: 1961-01-16
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Granted: 1964-06-23
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Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 George B Spero
- 👤 John L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861920A
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US2801202A
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US2854383A
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US2865935A
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US2867632A
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US2897218A
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US3045031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |