US2877731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1954-02-01
•
Granted: 1959-03-17
•
Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:08
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/62; B; B23; B23K; B23K1/00; B23K1/08
Claims Analysis
Total Claims: 0
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US2578627A
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US2667138A
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US2764953A
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US2673549A
Cited
US2770875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |