US2631315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cleaning the exterior surfaces of pipes
Assignee: Individual
•
Filing: 1948-04-05
•
Granted: 1953-03-17
•
Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Hauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:37
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/023; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |