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US3229611A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable work bench and air controller system

Assignee: Individual
•
Filing: 1964-01-13
•
Granted: 1966-01-18
•
Expires: 1984-01-13
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Fred W Berger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 20:12
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/20; F; F24; F24F; F24F3/00; F24F3/12; F24F3/16; F24F3/163

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 119 words
A PORTABLE WORK BENCH AND AIR CONTROLLER SYSTEM FOR MAINTAINING OPTIMUM TEMPERATURE WORK BENCH CONDITIONS AS WELL AS A DUST-FREE SPACE IN WHICH THE WORK BENCH MAY BE REMOVABLY INSTALLED; SAID BENCH AND SYSTEM COMPRISING A WORK TABLE SUPPORTED IN SAID SPACE, MEANS FOR DELIVERING FILTERED AIR INTO SAID SPACE ABOVE AND BEYOND SAID WORK TABLE, MEANS FOR CAUSING FILTERED AIR TO SWEEP ACROSS SAID WORK TABLE INTO SAID SPACE, MEANS FOR SPACIALLY SEPARATING THE TWO SAID AIR DELIVERY MEANS, MEANS FOR WITHDRAWING AIR DELIVERED INTO SAID SPACE AND CONTAINING ENTRAINED PARTICULATE MATTER AND FOR PURGING SUCH AIR OF SAID PARTICULATE MATTER, AND MEANS FOR CONTROLLING THE TEMPERATURE OF THE FILTERED AIR CAUSED TO SWEEP ACROSS SAID WORK TABLE.
Claim 2
Dependent Claim 119 words
A PORTABLE WORK BENCH AND AIR CONTROLLER SYSTEM FOR MAINTAINING OPTIMUM TEMPERATURE WORK BENCH CONDITIONS AS WELL AS A DUST-FREE SPACE IN WHICH THE WORK BENCH MAY BE REMOVABLY INSTALLED; SAID BENCH AND SYSTEM COMPRISING A WORK TABLE SUPPORTED IN SAID SPACE, MEANS FOR DELIVERING FILTERED AIR INTO SAID SPACE ABOVE AND BEYOND SAID WORK TABLE, MEANS FOR CAUSING FILTERED AIR TO SWEEP ACROSS SAID WORK TABLE INTO SAID SPACE, MEANS FOR SPACIALLY SEPARATING THE TWO SAID AIR DELIVERY MEANS, MEANS FOR WITHDRAWING AIR DELIVERED INTO SAID SPACE AND CONTAINING ENTRAINED PARTICULATE MATTER AND FOR PURGING SUCH AIR OF SAID PARTICULATE MATTER, AND MEANS FOR CONTROLLING THE TEMPERATURE OF THE FILTERED AIR CAUSED TO SWEEP ACROSS SAID WORK TABLE.

References Cited (Backward Citations)

US1820779A Cited
US2074317A Cited
US2481341A Cited
US2709954A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-17 1969-07-19 1970-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-17 1973-07-19 1974-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-17 1977-07-19 1978-01-18 $7700.00 Window Closed / Lapsed

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