US2809751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tablet grading means
Assignee: FJ Stokes Corp
•
Filing: 1954-11-02
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Granted: 1957-10-15
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Expires: 1974-11-02
Abstract
No abstract record available.
Inventors
- 👤 Victor C Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:13
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/3416; A; A61; A61J; A61J3/00; A61J3/10; G; G01; G01B; G01B15/00; G01B15/02; G01B15/025; Y; Y10; Y10S; Y10S209/00; Y10S209/911; Y10S209/912
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) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |