US2895644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioning apparatus
Assignee: H V HARDMAN CO Inc
•
Filing: 1956-10-18
•
Granted: 1959-07-21
•
Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Pande Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:23
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US861366A
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US879016A
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US1023411A
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US1051171A
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US2036810A
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US1907731A
Cited
US1997370A
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US1964028A
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US2224797A
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US2312111A
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US2354634A
Cited
US2737978A
Cited
US2627453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |