Patent US2466239A successfully refreshed from Google Patents.
US2466239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination paraffin scraper and sucker rod guide
Assignee: Individual
•
Filing: 1944-07-24
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Granted: 1949-04-05
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Expires: 1964-07-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Holcombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:22
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02; E21B10/00; E21B10/003; E21B17/00; E21B17/10; E21B17/1057; Y; Y10; Y10S; Y10S166/00; Y10S166/902
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |