Patent US3534355A successfully refreshed from Google Patents.
US3534355A
Expired / Lapsed
US
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Load warning device
Assignee: Dole Valve Co
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Filing: 1967-03-28
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Granted: 1970-10-13
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Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 George H Fathauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:49
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/88; B66C23/90; B66C23/905; G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/28; G06G7/48; G06G7/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3371224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |