US3383201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of precious metals
Assignee: Individual
•
Filing: 1967-03-01
•
Granted: 1968-05-14
•
Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jack W Petty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:22
CPC Classifications
C; C22; C22B; C22B11/00; C22B11/08; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3150960A
Cited
US3238038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |