US2447586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression testing and like apparatus
Assignee: Individual
•
Filing: 1944-02-09
•
Granted: 1948-08-24
•
Expires: 1964-02-09
Abstract
No abstract record available.
Inventors
- 👤 Bruce G Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:30
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US244943A
Cited
US882731A
Cited
US1300790A
Cited
US1630110A
Cited
US1696148A
Cited
US1877367A
Cited
US1931925A
Cited
US2049644A
Cited
US2107113A
Cited
US2041869A
Cited
US2303621A
Cited
US2325026A
Cited
US2325027A
Cited
US2327241A
Cited
US2350722A
Cited
US2373469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |