US2682701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making valve bodies
Assignee: Cpc Engineering Corp
•
Filing: 1950-02-24
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Granted: 1954-07-06
•
Expires: 1970-02-24
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Pote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/20; B21K1/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US58503A
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US2030818A
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US2122957A
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US2206296A
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GB489602A
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US2173759A
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US2301176A
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GB551874A
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US2363943A
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US2418447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |