Patent US1751202A successfully refreshed from Google Patents.
US2561484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated pipe-cutting tool
Assignee: Individual
•
Filing: 1949-08-23
•
Granted: 1951-07-24
•
Expires: 1969-08-23
Abstract
No abstract record available.
Inventors
- 👤 Albert W Shaw
- 👤 Russell J Bullard
- 👤 Frank L Claire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:14
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/30644
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |