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US2722690A
Expired / Lapsed
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Stretcher and cot combination
Assignee: Individual
•
Filing: 1953-07-13
•
Granted: 1955-11-08
•
Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Donargo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:29
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/04; A61G1/052; A61G1/056; A47; A47C; A47C17/00; A47C17/64; A47C17/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US261331A
Cited
US932479A
Cited
US1795435A
Cited
US1766085A
Cited
GB496506A
Cited
GB502951A
Cited
US2242311A
Cited
US2396931A
Cited
US2640996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |