Patent US2992022A successfully refreshed from Google Patents.
US2992022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional pipe clamp
Assignee: Dresser Industries Inc
•
Filing: 1957-07-23
•
Granted: 1961-07-11
•
Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 Roger E Risley
- 👤 Howard L Hoke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:34
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/178
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE19938E
Cited
US1165388A
Cited
US1916968A
Cited
US1909297A
Cited
US1993927A
Cited
US1951034A
Cited
US2059573A
Cited
US2079731A
Cited
US2220986A
Cited
US2415753A
Cited
US2868576A
Cited
US2822195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |