Patent US3033290A successfully refreshed from Google Patents.
US3033290A
Expired / Lapsed
US
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Screw-set non-retrievable packer
Assignee: Individual
•
Filing: 1959-10-01
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Granted: 1962-05-08
•
Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 Cicero C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10; E21B23/00; E21B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US859304A
Cited
US1690383A
Cited
US1734040A
Cited
US1947262A
Cited
US2092048A
Cited
US2189703A
Cited
US2884069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |