Patent US2484199A successfully refreshed from Google Patents.
US2484199A
Expired / Lapsed
US
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Throttle valve mechanism
Assignee: Individual
•
Filing: 1946-01-11
•
Granted: 1949-10-11
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Expires: 1966-01-11
Abstract
No abstract record available.
Inventors
- 👤 Walter B Walger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:59
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/022; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606535A
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US809063A
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US909989A
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GB227215A
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US1928071A
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US2019193A
Cited
US1892565A
Cited
US2057886A
Cited
US2212302A
Cited
US9887911B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |