US2520852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical article
Assignee: MARLO LAB Inc
•
Filing: 1947-10-13
•
Granted: 1950-08-29
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 Louis H Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:41
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB280838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |