Patent US3567263A successfully refreshed from Google Patents.
US3567263A
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US
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Door latch assembly for side door discharge bins
Assignee: Hoover Group Inc
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Filing: 1968-11-29
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Granted: 1971-03-02
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Expires: 1988-11-29
Abstract
Abstract A LATCH ASSEMBLY FOR A HINGED SIDE DOOR IN A BIN FOR BULK MATERIALS WHEREIN A SPLIT SLEEVE IS ASSEMBLED WITH A LATCH BOLT SO THAT WHEN THE DOOR IS LATCHED, A TIGHT SEAL IS PROVIDED AROUND THE LATCH BOLT TO PREVENT LEAKAGE OF THE BIN CONTENTS.
Inventors
- 👤 Ralph E Mckinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:19
CPC Classifications
E; E05; E05B; E05B53/00; E05B53/003; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/042; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |