US2957337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic testing apparatus
Assignee: Fightex Fabrics Inc
•
Filing: 1958-03-03
•
Granted: 1960-10-25
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Paul V Choate
- 👤 Hans W Aschaffenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:05
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30; G01N3/307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2341270A
Cited
US2474235A
Cited
US2610504A
Cited
US2604777A
Cited
US2743604A
Cited
US2810288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |