Patent US2531658A successfully refreshed from Google Patents.
US2531658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for a pipe within a conduit
Assignee: Individual
•
Filing: 1946-08-30
•
Granted: 1950-11-28
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 James F Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:49
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US842776A
Cited
DE621730C
Cited
US2029369A
Cited
FR781153A
Cited
US2308307A
Cited
US2409304A
Cited
US2414997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |