Patent US2668642A successfully refreshed from Google Patents.
US2668642A
Expired / Lapsed
US
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Receptacle and combined pouring spout, vent, and valve therefor
Assignee: Individual
•
Filing: 1951-03-26
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Granted: 1954-02-09
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Expires: 1971-03-26
Abstract
No abstract record available.
Inventors
- 👤 Allan N Johannesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:44
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US229805A
Cited
US286893A
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US579628A
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US610737A
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US626034A
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US1326853A
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US1230207A
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US2210676A
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US2324032A
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US2347253A
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US2380871A
Cited
US2485194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |