US2705167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well fishing and handling tool
Assignee: Individual
•
Filing: 1950-07-12
•
Granted: 1955-03-29
•
Expires: 1970-07-12
Abstract
No abstract record available.
Inventors
- 👤 Mark B Layne
- 👤 Lawrence L Held
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:40
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1457139A
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US1747606A
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US1621947A
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US1728136A
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US1815376A
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US1815462A
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US1917135A
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US2061864A
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US2106235A
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US2118991A
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US2352423A
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US2496360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |