US2466415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive capsule and mixture control device embodying the same
Assignee: HM Hobson Ltd
•
Filing: 1944-08-09
•
Granted: 1949-04-05
•
Expires: 1964-08-09
Abstract
No abstract record available.
Inventors
- 👤 Greenland Leonard Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:21
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0289; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2072617A
Cited
FR801587A
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US2031527A
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US2132486A
Cited
US2119317A
Cited
US2245562A
Cited
US2230036A
Cited
US2305070A
Cited
US2273670A
Cited
US2279048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |