US2429559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube cutting apparatus
Assignee: Individual
•
Filing: 1944-10-25
•
Granted: 1947-10-21
•
Expires: 1964-10-25
Abstract
No abstract record available.
Inventors
- 👤 Rudolph M Matson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:42
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)
US577023A
Cited
US1071940A
Cited
US1396993A
Cited
US1403901A
Cited
US1377160A
Cited
US1553441A
Cited
US1661274A
Cited
US1858076A
Cited
US1907957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |