Patent US3500846A successfully refreshed from Google Patents.
US3500846A
Expired / Lapsed
US
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Fluid device
Assignee: Imperial Eastman Corp
•
Filing: 1966-12-30
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Granted: 1970-03-17
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 Orin Lew Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:19
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/143; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2164; Y10T137/2169
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3295543A
Cited
US3170476A
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US3187763A
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US3362421A
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US3238959A
Cited
US3331379A
Cited
US3233622A
Cited
US3272215A
Cited
US3323532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |