US3047895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipeline scraping and batching device
Assignee: TD Williamson Inc
•
Filing: 1957-03-19
•
Granted: 1962-08-07
•
Expires: 1977-03-19
Abstract
No abstract record available.
Inventors
- 👤 Nooy Burton Ver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:35
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0553
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US146176A
Cited
US168072A
Cited
US227398A
Cited
US390060A
Cited
US393810A
Cited
US1631562A
Cited
US1696677A
Cited
US1814752A
Cited
US2750612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |