Patent US2982420A successfully refreshed from Google Patents.
US2982420A
Expired / Lapsed
US
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Collapsible serving tray attachment
Assignee: Individual
•
Filing: 1957-06-17
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Granted: 1961-05-02
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Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand A Wannemacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:20
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/06; A47G23/0633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1862010A
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US1877784A
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US1872669A
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US2048695A
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US2296028A
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US2526793A
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US2903311A
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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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |