US2607310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding fixture
Assignee: Rheem Manufacturing Co
•
Filing: 1948-01-28
•
Granted: 1952-08-19
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Llewellyn W Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:38
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/053; B23K37/0535
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US524330A
Cited
US1812959A
Cited
US1922249A
Cited
US1987664A
Cited
US1969572A
Cited
US2235553A
Cited
US2219742A
Cited
US2256879A
Cited
US2371376A
Cited
US2522659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |