US2802368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge pin lock
Assignee: Joy Manufacturing Co
•
Filing: 1954-07-21
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Granted: 1957-08-13
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Expires: 1974-07-21
Abstract
No abstract record available.
Inventors
- 👤 Lester G Rollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:26
CPC Classifications
E; E21; E21C; E21C25/00; E21C25/22; E21C25/28; E21C25/34; E21C25/36; F; F16; F16G; F16G13/00; F16G13/02; F16G13/06; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861; Y10T403/32893
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |