Patent US3229611A successfully refreshed from Google Patents.
US3229611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable work bench and air controller system
Assignee: Individual
•
Filing: 1964-01-13
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Granted: 1966-01-18
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Expires: 1984-01-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred W Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:29
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)
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 |