Patent US2429052A successfully refreshed from Google Patents.
US2429052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe end shaper
Assignee: Individual
•
Filing: 1944-09-29
•
Granted: 1947-10-14
•
Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur L Forbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
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)
DE276509C
Cited
US893434A
Cited
US909182A
Cited
US1113196A
Cited
US1782483A
Cited
US2016735A
Cited
US2164724A
Cited
US2309344A
Cited
US2357793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |