US2962730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal invalid handling device
Assignee: Coolant Equipment Corp
•
Filing: 1958-05-19
•
Granted: 1960-12-06
•
Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Wilbur R Carnes
- 👤 Robert J Troller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1019; A61G7/05; A61G7/053; A61G7/104; A61G7/1046; A61G7/1049; A61G7/1051; A61G7/1057; A61G7/1059; A61G7/1063; A61G7/1067; A61G5/00; A61G5/10; A61G5/1056; A61G5/1059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US9413A
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US802728A
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US1090248A
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DE363031C
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US2187283A
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US2287955A
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US2375907A
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US2539346A
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US2595651A
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US2681455A
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US2783824A
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US2821406A
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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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |