US2650373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding stretcher
Assignee: Individual
•
Filing: 1951-06-21
•
Granted: 1953-09-01
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Zeller
- 👤 Sidney H Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB406208A
Cited
US2378809A
Cited
US2396931A
Cited
US2391051A
Cited
US2473364A
Cited
US2545813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |