Patent US3479428A successfully refreshed from Google Patents.
US3479428A
Expired / Lapsed
US
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Sunscreen composition and method of using the same
Assignee: Boots Co PLC
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Filing: 1964-07-08
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Granted: 1969-11-18
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Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 Douglas Maxwell Bryce
- 👤 Michael Brian Rooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/445; A61Q17/04
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |