Patent US458650A successfully refreshed from Google Patents.
Patent US2044064A successfully refreshed from Google Patents.
US2044064A
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Assignee: Campbell Wyant and Cannon Foundry Co
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Filing: 1934-11-10
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Granted: 1936-06-16
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Expires: 1954-11-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Dake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:46
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/06; F02; F02M; F02M59/00; F02M59/20; F02M59/30; F04B37/00; F04B37/10; F04B37/12; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1376; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-16 | 1939-12-16 | 1940-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-16 | 1943-12-16 | 1944-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-16 | 1947-12-16 | 1948-06-16 | $7700.00 | Window Closed / Lapsed |