US2828516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladle for casting metal
Assignee: Beazer East Inc
•
Filing: 1955-02-08
•
Granted: 1958-04-01
•
Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 John F Black
- 👤 Frederick W Rys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/11; B22D11/114; B22D41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US589210A
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US608837A
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US612134A
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US907680A
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US998787A
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GB105258A
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US1328803A
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US1535202A
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US2079872A
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US2457083A
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US2580394A
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US2544837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |