Patent US2944449A successfully refreshed from Google Patents.
US2944449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure welding apparatus
Assignee: Menasco Manufacturing Co
•
Filing: 1957-04-09
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Granted: 1960-07-12
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Walter G Wheeler
- 👤 Lincoln Van Camp
- 👤 Wilbur G Wood
- 👤 Robert A Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:19
CPC Classifications
B; B23; B23K; B23K5/00; B23K5/006
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |