US2640996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking cot and litter construction
Assignee: Individual
•
Filing: 1951-01-23
•
Granted: 1953-06-09
•
Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 Frank L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
A; A61; A61G; A61G1/00; A61G1/04; A61G1/052; A61G1/056; A61G1/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE294768C
Cited
US919159A
Cited
US972462A
Cited
FR484146A
Cited
US2305981A
Cited
US2349023A
Cited
US2449767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |