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US2473608A
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Oyster opening method
Assignee: Individual
•
Filing: 1945-09-24
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Granted: 1949-06-21
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Expires: 1965-09-24
Abstract
No abstract record available.
Inventors
- 👤 Plock John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:46
CPC Classifications
A; A47; A47G; A47G21/00; A47G21/06; A47G21/061; A47G21/062; A47G21/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133267A
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US411381A
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US848784A
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US848608A
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US943982A
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US1159262A
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US1663758A
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US2354928A
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US2391739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |