US2618031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal casting machine
Assignee: MAZER BROS Inc
•
Filing: 1948-06-24
•
Granted: 1952-11-18
•
Expires: 1968-06-24
Abstract
No abstract record available.
Inventors
- 👤 Mazer Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:48
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/06; B22D13/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1161701A
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US2172798A
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US2140204A
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US2267010A
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US2391523A
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US2385631A
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US2383442A
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US2456067A
Cited
US2433065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |