US3452371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hospital stretcher cart
Assignee: WALTER F HIRSCH
•
Filing: 1967-10-16
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Granted: 1969-07-01
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Walter F Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1019; A61G7/1025; A61G7/1034; A61G7/104; A61G7/1046; A61G7/1048; A61G7/1049; A61G7/1057; A61G7/1063; A61G7/1067; A61G2200/00; A61G2200/30; A61G2200/32; A61G7/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2668301A
Cited
US2854673A
Cited
US3045256A
Cited
US3099020A
Cited
US3168688A
Cited
US3298042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |