US2751671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of repairing cracked castings
Assignee: Novi Equipment Co
•
Filing: 1952-09-15
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Granted: 1956-06-26
•
Expires: 1972-09-15
Abstract
No abstract record available.
Inventors
- 👤 Lewis W Welch
- 👤 Fegel Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:21
CPC Classifications
B; B23; B23P; B23P6/00; B23P6/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49721; Y10T29/49723; Y10T29/49725; Y10T29/49726; Y10T29/49732; Y10T29/49734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322245A
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US1397167A
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US2011484A
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US2198167A
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US2252986A
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US2369415A
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US2711012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |