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Patent US2831604A successfully refreshed from Google Patents.
US2831604A
Expired / Lapsed
US
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Dispensing mechanism
Assignee: Individual
•
Filing: 1953-08-21
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Granted: 1958-04-22
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Sloyer
- 👤 Jr Arthur W Sloyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:57
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/02; G07F11/38; G07F11/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2260734A
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US1882841A
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US2104034A
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US2174712A
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US2284931A
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US2272750A
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US2336382A
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US2332214A
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US2637612A
Cited
US2619399A
Cited
US2661992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |