Patent US2963101A successfully refreshed from Google Patents.
US2963101A
Expired / Lapsed
US
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Joint construction and jarring tool
Assignee: Individual
•
Filing: 1957-04-01
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Granted: 1960-12-06
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Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Koppl Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:33
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1529544A
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US1605314A
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US1970362A
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US2096135A
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US2387682A
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US2474459A
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US2621024A
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US2618466A
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US2736384A
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US2819877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |