US2642974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin material testing device
Assignee: HAROLD H OGLE JR
•
Filing: 1949-11-30
•
Granted: 1953-06-23
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 John S Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
G; G07; G07D; G07D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1204752A
Cited
US1386701A
Cited
US1555910A
Cited
US2045769A
Cited
GB451694A
Cited
US2234895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |