US3417673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swab cup
Assignee: Oil States Rubber Co
•
Filing: 1966-08-01
•
Granted: 1968-12-24
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 Bowerman Zora Mae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:25
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/10; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0436
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1786012A
Cited
US2013903A
Cited
US2352812A
Cited
US2305282A
Cited
US2609258A
Cited
US2466572A
Cited
US2711939A
Cited
US2887347A
Cited
US2965422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |