US2801025A
Expired / Lapsed
US
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Assignee: Pharmacia and Upjohn Co
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Filing: 1955-01-07
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Granted: 1957-07-30
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard T Cookson
- 👤 Smith William Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:13
CPC Classifications
A; A61; A61J; A61J7/00; A61J7/02; B; B65; B65B; B65B35/00; B65B35/06; B65B35/08; B65B5/00; B65B5/10; B65B5/101; B65B5/103
Claims Analysis
Total Claims: 0
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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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |