US3228260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table ventilator
Assignee: Industriele Onderneming WH Braskamp NV
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Filing: 1963-02-01
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Granted: 1966-01-11
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Braskamp Willem Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:26
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/10; F04D25/105; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/211; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
FOR AN OSCILLATING TABLE VENTILATOR: A CRANK STRUCTURE COMPRISING A DRIVEN SHAFT HAVING AN AXIS AND ROTATABLE ABOUT SAID AXIS, A FLAT CIRCULAR DISC ECCENTRICALLY SECURED TO SAID SHAFT AND ROTATABLE THEREWITH, A CASING HAVING A CONCENTRIC INNER GROOVE, SAID DISC BEING FRICTIONALLY SECURED IN SAID GROOVE CONCENTRICALLY WITH SAID CASING AND A TRUNNION ON SAID CASING HAVING THE SAME ECCENTRICITY RELATIVE TO THE AXIS OF THE CASING AS THE SHAFT HAS RELATIVE TO THE DISC.
Claim 2
Dependent Claim
76 words
FOR AN OSCILLATING TABLE VENTILATOR: A CRANK STRUCTURE COMPRISING A DRIVEN SHAFT HAVING AN AXIS AND ROTATABLE ABOUT SAID AXIS, A FLAT CIRCULAR DISC ECCENTRICALLY SECURED TO SAID SHAFT AND ROTATABLE THEREWITH, A CASING HAVING A CONCENTRIC INNER GROOVE, SAID DISC BEING FRICTIONALLY SECURED IN SAID GROOVE CONCENTRICALLY WITH SAID CASING AND A TRUNNION ON SAID CASING HAVING THE SAME ECCENTRICITY RELATIVE TO THE AXIS OF THE CASING AS THE SHAFT HAS RELATIVE TO THE DISC.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |