US2660883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining borderline detonation
Assignee: Motors Liquidation Co
•
Filing: 1949-11-19
•
Granted: 1953-12-01
•
Expires: 1969-11-19
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Wyczalek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/50; G01N25/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US90309A
Cited
US880272A
Cited
US1422672A
Cited
US1489644A
Cited
US1837853A
Cited
US2054120A
Cited
US1987642A
Cited
US2139504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |