US2787485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic grip means between telescoped members
Assignee: Individual
•
Filing: 1952-05-12
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Granted: 1957-04-02
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Expires: 1972-05-12
Abstract
No abstract record available.
Inventors
- 👤 Frisell Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:34
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/28; A47C3/285; F; F16; F16B; F16B7/00; F16B7/10; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426
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) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |