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Patent US2954172A successfully refreshed from Google Patents.
US2954172A
Expired / Lapsed
US
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Liquid spray nozzle
Assignee: Motors Liquidation Co
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Filing: 1958-09-10
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Granted: 1960-09-27
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Richard G Grundman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:24
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/36; F23D11/40; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559
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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |