US3383280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dermatological abradant stick-type applicator
Assignee: Bayer Corp
•
Filing: 1963-01-09
•
Granted: 1968-05-14
•
Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Kuehns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:32
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/0216; A61K8/0229; A61K8/18; A61K8/19; A61K8/23; A61K8/26; A61K8/96; A61K8/965; A61K8/97; A61K8/9783; A61K8/9789; A61K8/9794; A61K9/00; A61K9/02; A61Q; A61Q19/00; A61Q19/10; C; C11; C11D; C11D17/00; A61K2800/00; A61K2800/20; A61K2800/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1230149A
Cited
US2087161A
Cited
US2222969A
Cited
US2980524A
Cited
US2970083A
Cited
US3092111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |