US2672162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for plugging holes in pipe lines
Assignee: Individual
•
Filing: 1949-06-24
•
Granted: 1954-03-16
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Brauer Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:17
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/1645; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/104
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US581209A
Cited
US719817A
Cited
GB190316443A
Cited
US1180714A
Cited
US1182737A
Cited
US2069722A
Cited
US2199552A
Cited
US2487991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |