Patent US3494437A successfully refreshed from Google Patents.
US3494437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic scale
Assignee: Dole Valve Co
•
Filing: 1967-09-15
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Granted: 1970-02-10
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Expires: 1987-09-15
Abstract
No abstract record available.
Inventors
- 👤 George H Fathauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:42
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/40; G01G19/42; G01G7/00; G01G7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734735A
Cited
US2631027A
Cited
US2767975A
Cited
US2767974A
Cited
US3153459A
Cited
US3177701A
Cited
US3368637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |