US3393002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overshot retrieving tool
Assignee: Individual
•
Filing: 1965-03-23
•
Granted: 1968-07-16
•
Expires: 1985-03-23
Abstract
No abstract record available.
Inventors
- 👤 Brown J Woolley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:16
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/12; E21B31/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US705931A
Cited
US1781918A
Cited
US1628042A
Cited
US1775328A
Cited
US1788912A
Cited
US2814523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |