US2626781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination jar and safety joint
Assignee: Houston Oil Field Material Co Inc
•
Filing: 1947-12-22
•
Granted: 1953-01-27
•
Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer S Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:20
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/06; E21B31/00; E21B31/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621583A
Cited
US1982915A
Cited
US2026931A
Cited
US2093794A
Cited
US2166299A
Cited
US2474459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |