US3527244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for trapping and crushing solid particles entrained in a liquid stream
Assignee: Chevron USA Inc
•
Filing: 1968-10-21
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Granted: 1970-09-08
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Expires: 1988-10-21
Abstract
No abstract record available.
Inventors
- 👤 James E Stockman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:39
CPC Classifications
F; F27; F27D; F27D99/00; F27D3/00; F27D3/14; F27D99/0001; F27D99/0005; F23; F23N; F23N2239/00; F23N2239/06; F27D2003/0034; F27D2003/0071; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |