US1867004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve mechanism
Assignee: CRAUSBAY SUPPLY Co Inc
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Filing: 1928-07-30
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Granted: 1932-07-12
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Expires: 1948-07-30
Abstract
No abstract record available.
Inventors
- 👤 Marcus L Hacker
- 👤 John W Wells
- 👤 Louis P Hacker
- 👤 Lawrence D Barner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:40
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/02; F16K39/022; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/86928; Y10T137/87008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-07-12 | 1936-01-11 | 1936-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-12 | 1940-01-11 | 1940-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-12 | 1944-01-11 | 1944-07-12 | $7700.00 | Window Closed / Lapsed |