Patent US3224609A successfully refreshed from Google Patents.
US3224609A
Expired / Lapsed
US
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Sack opening structure
Assignee: Harry W Dietert Co
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Filing: 1964-07-23
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Granted: 1965-12-21
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Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Harry W Dietert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:29
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
SACK OPENING STRUCTURE COMPRISING A HOUSING HAVING AN OPENING THEREIN, A CLOSURE FOR SAID OPENING, KNIFE MEANS OPERABLY ASSOCIATED WITH SAID HOUSING AND CLOSURE FOR SPLITTING OPEN A SACK POSITIONED IN THE HOUSING IN RESPONSE TO CLOSING OF THE CLOSURE, A TANK POSITIONED BENEATH THE HOUSING, AN OPENING IN SAID HOUSING BETWEEN THE HOUSING AND TANK, A VALVE IN THE OPENING BETWEEN THE HOUSING AND TANK THROUGH WHICH THE CONTENTS OF THE SACK WILL PASS BY GRAVITY INTO THE TANK FROM THE HOUSING ON SPLITTING OPEN
Claim 2
Dependent Claim
86 words
SACK OPENING STRUCTURE COMPRISING A HOUSING HAVING AN OPENING THEREIN, A CLOSURE FOR SAID OPENING, KNIFE MEANS OPERABLY ASSOCIATED WITH SAID HOUSING AND CLOSURE FOR SPLITTING OPEN A SACK POSITIONED IN THE HOUSING IN RESPONSE TO CLOSING OF THE CLOSURE, A TANK POSITIONED BENEATH THE HOUSING, AN OPENING IN SAID HOUSING BETWEEN THE HOUSING AND TANK, A VALVE IN THE OPENING BETWEEN THE HOUSING AND TANK THROUGH WHICH THE CONTENTS OF THE SACK WILL PASS BY GRAVITY INTO THE TANK FROM THE HOUSING ON SPLITTING OPEN
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |