Patent US2805055A successfully refreshed from Google Patents.
US2805055A
Expired / Lapsed
US
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Weighing apparatus
Assignee: CONTROL CELLS Corp Inc
•
Filing: 1953-12-17
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Granted: 1957-09-03
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Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Willis R Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:44
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/12; G01G1/00; G01G1/18; G01G1/24; G01G19/00; G01G19/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191109426A
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US1606333A
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GB231116A
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US1844080A
Cited
US1896906A
Cited
US1895502A
Cited
GB384227A
Cited
US2241348A
Cited
US2516545A
Cited
US2657921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |