Patent US3493170A successfully refreshed from Google Patents.
US3493170A
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Flow control devices for turret slides
Assignee: Individual
•
Filing: 1967-08-01
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Granted: 1970-02-03
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Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hirofumi Tomiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:10
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/065; A; A62; A62B; A62B7/00; B; B23; B23Q; B23Q16/00; B23Q16/006; B23Q16/02; B23Q16/022; B23Q16/026; B23Q16/04; B23Q16/06; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/06; B23Q5/22; B23Q5/26; B23Q5/266; B23Q2705/00; B23Q2705/02; B23Q2705/04; B23Q2705/043; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2672884A
Cited
US3218024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |