Patent US3354902A successfully refreshed from Google Patents.
US3354902A
Expired / Lapsed
US
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Plastic vacuum storage tank
Assignee: Dole Valve Co
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Filing: 1964-05-11
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Granted: 1967-11-28
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Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Frank E Obermaier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:34
CPC Classifications
F; F16; F16K; F16K51/00; F16K51/02; F16K15/00; F16K15/14; F16K15/144; F16K15/1441; F16K17/00; F16K17/02; F16K17/04; F16K2200/00; F16K2200/30; F16K2200/305; F16K2200/3053; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7783; Y10T137/7837; Y10T137/7859; Y10T137/7861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910961A
Cited
US3073339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |