US2923112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for filling and closing cartons
Assignee: Bartelt Engineering Co
•
Filing: 1954-12-01
•
Granted: 1960-02-02
•
Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Charles B Harker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:42
CPC Classifications
B; B65; B65B; B65B5/00; B65B5/06; B65B5/061; B65B7/00; B65B7/16; B65B7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1337845A
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US1277928A
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US1489134A
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US1603879A
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US1873059A
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US2249201A
Cited
US2266054A
Cited
US2628542A
Cited
US2651896A
Cited
US2598569A
Cited
US2643497A
Cited
US2747348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |