US2669406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container filling device
Assignee: PERKIOMEN PRODUCTS
•
Filing: 1949-09-27
•
Granted: 1954-02-16
•
Expires: 1969-09-27
Abstract
No abstract record available.
Inventors
- 👤 Charles P Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:36
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/02; B65B67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US129633A
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US156506A
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US216367A
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US247220A
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US861007A
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US993696A
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US1627652A
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US1830644A
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US1918112A
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US2047075A
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US2524243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |