US2631469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: AMERICAN METAL MOULDING Co
•
Filing: 1949-11-23
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Granted: 1953-03-17
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Expires: 1969-11-23
Abstract
No abstract record available.
Inventors
- 👤 Oliner Albert
- 👤 William F Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:09
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/10; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20474; Y10T74/20492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1409697A
Cited
US1582378A
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US1951723A
Cited
DE670988C
Cited
US2168067A
Cited
US2136652A
Cited
GB495424A
Cited
US2220382A
Cited
US2382966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |