Patent US4778261A successfully refreshed from Google Patents.
US2621884A
Expired / Lapsed
US
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Charge measuring device
Assignee: ST Regis Paper Co
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Filing: 1947-10-21
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Granted: 1952-12-16
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Expires: 1967-10-21
Abstract
No abstract record available.
Inventors
- 👤 Herman S Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:59
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; B65B1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US615201A
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US615496A
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US1790366A
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US994265A
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US1107592A
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US1259836A
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US1667858A
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FR843683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |