Patent US1042096A successfully refreshed from Google Patents.
US2653006A
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US
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Pipe lifter
Assignee: Gem Oil Tool Co Inc
•
Filing: 1950-01-06
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Granted: 1953-09-22
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Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Russel W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:25
CPC Classifications
E; E21; E21B; E21B19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US139443A
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US173228A
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US1034874A
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US1163230A
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US1254778A
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US1421689A
Cited
US1562148A
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GB258772A
Cited
US2135802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |