US2404584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bending modulus test apparatus
Assignee: Bridgestone Firestone Inc
•
Filing: 1944-12-30
•
Granted: 1946-07-23
•
Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 John W Liska
- 👤 Frank S Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:33
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; G01N3/18; G01N3/20; G01N35/00; G01N35/02; G01N35/04; G01N2035/0439; G01N2035/0441; G01N2203/00; G01N2203/0014; G01N2203/0023; G01N2203/02; G01N2203/0202; G01N2203/0206; G01N2203/022; G01N2203/0222; G01N2203/0228; G01N33/00; G01N33/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |