US2664976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable well servicing equipment
Assignee: Lee C Moore Corp
•
Filing: 1952-11-20
•
Granted: 1954-01-05
•
Expires: 1972-11-20
Abstract
No abstract record available.
Inventors
- 👤 Homer J Woolslayer
- 👤 Charles D Iddings
- 👤 Erwin A Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:30
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US723555A
Cited
US2065715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |