US2647483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal forming and welding machine
Assignee: Individual
•
Filing: 1951-12-28
•
Granted: 1953-08-04
•
Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 William E Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:11
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/0426; B23K37/0435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1557514A
Cited
US1618409A
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US1753263A
Cited
US1865916A
Cited
US2212421A
Cited
US2219742A
Cited
US2322380A
Cited
US2389526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |