US2813543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump noise control
Assignee: Murray Corp
•
Filing: 1955-07-28
•
Granted: 1957-11-19
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Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Richard F Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/669; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4225; D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; D06F39/085; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K15/1471; F16K2200/00; F16K2200/40; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7879; Y10T137/788; Y10T137/7881; Y10T137/7882; Y10T137/7885; Y10T137/8593; Y10T137/85978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057624A
Cited
US2322631A
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US2341894A
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US2320906A
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US2347988A
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US2629393A
Cited
US2663309A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |