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US2440366A
Expired / Lapsed
US
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Molding machine
Assignee: CROPP ENGINEERING Corp
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Filing: 1945-07-13
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Granted: 1948-04-27
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Expires: 1965-07-13
Abstract
No abstract record available.
Inventors
- 👤 Cropp David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:55
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US647732A
Cited
US1965732A
Cited
US2058880A
Cited
US2304141A
Cited
US2354029A
Cited
US2389561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |