US3457893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interruptible-jet control means for producing short blasts of high pressure fluid
Assignee: CARTER-DAY COMPANY A MINNESOTA CORP
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Filing: 1966-12-29
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Granted: 1969-07-29
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 James P Lavalier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/12; B; B01; B01D; B01D46/00; B01D46/42; B01D46/4272; B01D46/66; B01D46/70; B01D46/71; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |