US2632841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction heating work-holding means
Assignee: Westinghouse Electric Corp
•
Filing: 1949-09-09
•
Granted: 1953-03-24
•
Expires: 1969-09-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward M Wharff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:13
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1845322A
Cited
US2167798A
Cited
US2282322A
Cited
US2308788A
Cited
US2318819A
Cited
US2329944A
Cited
US2462205A
Cited
US2477129A
Cited
US2511059A
Cited
US2476935A
Cited
US2556236A
Cited
US2456962A
Cited
US2480364A
Cited
US2556243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |