US2583952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid level responsive device
Assignee: McDonnell and Miller Inc
•
Filing: 1949-10-04
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Granted: 1952-01-29
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Expires: 1969-10-04
Abstract
No abstract record available.
Inventors
- 👤 Leopold J Kmiecik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:08
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/1836; Y10T74/18408; Y10T74/21; Y10T74/2101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |