US2663603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lap tray with leg engaging means
Assignee: Individual
•
Filing: 1950-06-16
•
Granted: 1953-12-22
•
Expires: 1970-06-16
Abstract
No abstract record available.
Inventors
- 👤 Newman Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:51
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/06; A47G23/0608
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US815200A
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US1008037A
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US1436859A
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US1520085A
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US1555038A
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US1732520A
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GB322650A
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US2054098A
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US2115323A
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US2127980A
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US2476620A
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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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |