US2783587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doll ankle joint mechanism
Assignee: Individual
•
Filing: 1955-10-05
•
Granted: 1957-03-05
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Gardel Robert
- 👤 Rogovin Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:12
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/36; A63H3/46; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32549; Y10T403/32557; Y10T403/32565; Y10T403/32581; Y10T403/32606; Y10T403/32631; Y10T403/32639; Y10T403/32811; Y10T403/32819; Y10T403/32852
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |