Patent US3528518A successfully refreshed from Google Patents.
US3528518A
Expired / Lapsed
US
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Automatic batch weigher
Assignee: HOWE RICHARDSON Co
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Filing: 1967-08-03
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Granted: 1970-09-15
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Expires: 1987-08-03
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:06
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22; G01G19/24; G01G19/30; B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/881; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/133; G05D11/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |