US2794633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic disconnecting mechanism for fluid pressure operated linkage
Assignee: National Pneumatic Co Inc
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Filing: 1956-02-24
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Granted: 1957-06-04
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Expires: 1976-02-24
Abstract
No abstract record available.
Inventors
- 👤 Frank M Delany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/10; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1021; Y10T279/1033; Y10T279/1037; Y10T279/1071; Y10T403/00; Y10T403/22; Y10T403/59; Y10T403/591; Y10T403/593; Y10T403/599; Y10T403/60; Y10T403/602; Y10T403/604; Y10T403/608; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T408/00; Y10T408/36
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |