Patent US2673515A successfully refreshed from Google Patents.
US2673515A
Expired / Lapsed
US
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Apparatus for preserving eggs
Assignee: Johnson Gordon Co
•
Filing: 1948-10-20
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Granted: 1954-03-30
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Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:49
CPC Classifications
A; A23; A23B; A23B5/00; A23B5/06; A23B5/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US241492A
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US1202146A
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US1234131A
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US1542347A
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US1681301A
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US1776784A
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US2014646A
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US2184063A
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US2221343A
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US2203141A
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US2250518A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |