US2814717A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistance welding
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1954-12-13
•
Granted: 1957-11-26
•
Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ethridge E Hardesty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:54
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/0093; B23K2101/00; B23K2101/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49892
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1229700A
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US1677205A
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US1712507A
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US1783571A
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US1901176A
Cited
US2056563A
Cited
US2108795A
Cited
US2299776A
Cited
US2256000A
Cited
US2445801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |