USRE23744E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push and pull friction type
Assignee: —
•
Filing: —
•
Granted: 1953-11-24
•
Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/012; A63B21/015; A63B21/0004; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B21/4041; A63B21/4047; A63B23/00; A63B23/035; A63B23/12; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32418; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32549; Y10T403/32557; Y10T403/32591; Y10T403/32606; Y10T403/32614; Y10T403/32819; Y10T403/32844; Y10T403/59; Y10T403/591; Y10T403/595; Y10T403/599
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |