Patent US132836A successfully refreshed from Google Patents.
Patent US2879797A successfully refreshed from Google Patents.
US2879797A
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Rotating disk-valve fluid pulsating apparatus
Assignee: BOND RES LAB Inc
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Filing: 1955-03-28
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Granted: 1959-03-31
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Guaraldi Leonard Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:50
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/12; F15B21/125; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2125513A
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GB575917A
Cited
US2524234A
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US2688981A
Cited
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Cited
US2773482A
Cited
US2852040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |