US3474831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction seat for flow control
Assignee: THOMAS E NOAKES
•
Filing: 1966-02-14
•
Granted: 1969-10-28
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Noakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24034E
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US2899979A
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US3126917A
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US2454929A
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US2515073A
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US2632476A
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US2728355A
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US2891578A
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US2936790A
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US2881015A
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US3194272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |