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US2494591A
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US
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Assignee: Individual
•
Filing: 1948-03-09
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Granted: 1950-01-17
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Expires: 1968-03-09
Abstract
No abstract record available.
Inventors
- 👤 Orson P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:07
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1015; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1055; A61G2200/00; A61G2200/30; A61G2200/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440471A
Cited
US528475A
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US568174A
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US841702A
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US1318429A
Cited
US1459112A
Cited
US1823425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |