US2864629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threaded coupling having staggered rows of wedge pins
Assignee: Individual
•
Filing: 1954-06-11
•
Granted: 1958-12-16
•
Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Sr Jesse E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043; E03; E03B; E03B3/00; E03B3/06; E03B3/08; F; F16; F16L; F16L15/00; F16L15/08; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5741; Y10T403/5793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US634776A
Cited
US959222A
Cited
US1024107A
Cited
US1669186A
Cited
US2005056A
Cited
US2318590A
Cited
US2623399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |