Patent US2443182A successfully refreshed from Google Patents.
US2443182A
Expired / Lapsed
US
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Apparatus for filling containers employing vacuum and mechanical feeders
Assignee: Individual
•
Filing: 1944-01-12
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Granted: 1948-06-15
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Expires: 1964-01-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:40
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/10; B65B1/12; B65B1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US487355A
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US772195A
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US935506A
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US1981485A
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US2055075A
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US2054279A
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US2279371A
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US2170469A
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US2187615A
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US2330862A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |