US2594191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-cutting apparatus
Assignee: Individual
•
Filing: 1950-04-21
•
Granted: 1952-04-22
•
Expires: 1970-04-21
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mathey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/005; B23K7/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US323351A
Cited
US1076797A
Cited
US1705923A
Cited
US1886855A
Cited
US1826164A
Cited
US1879346A
Cited
US1860653A
Cited
US2086764A
Cited
US2146959A
Cited
US2242448A
Cited
US2283345A
Cited
US2295182A
Cited
US2408517A
Cited
US2509698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |