US2662401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling and handling of mineral specimens
Assignee: Individual
•
Filing: 1949-04-25
•
Granted: 1953-12-15
•
Expires: 1969-04-25
Abstract
No abstract record available.
Inventors
- 👤 Florent H Bailly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:12
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588164A
Cited
US2449627A
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US2296852A
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US2293488A
Cited
US2300495A
Cited
US2192525A
Cited
US2617296A
Cited
US2539355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |