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Patent US2595563A successfully refreshed from Google Patents.
US2595563A
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Jar type well packer
Assignee: BROWN
•
Filing: 1947-09-02
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Granted: 1952-05-06
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Expires: 1967-09-02
Abstract
No abstract record available.
Inventors
- 👤 Cicero C Brown
- 👤 John R Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:23
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1785277A
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US2133157A
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US2136047A
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US2182549A
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US2187482A
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US2216358A
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US2368400A
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US2430623A
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US2426370A
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US2389612A
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US2389869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |