Patent US3725745A successfully refreshed from Google Patents.
Patent US3559383A successfully refreshed from Google Patents.
US3559383A
Expired / Lapsed
US
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Bench structure with built-in dust collector
Assignee: COE LAB Inc
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Filing: 1969-03-03
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Granted: 1971-02-02
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Expires: 1989-03-03
Abstract
Abstract A LABORATORY BENCH ASSEMBLY INCLUDING A BENCH TABLE MOUNTED ON A PEDESTAL AND HAVING A DUST-COLLECTOR MECHANISM LOCATED IN THE PEDESTAL WITH THE DUCTS LEADING TO THE DUST COLLECTOR CONCEALED IN THE BENCH TABLE. A DUST-COLLECTING HOOD MAY BE LOCATED IN A DRAWER OF SAID BENCH TABLE AND PROVIDED WITH A TELESCOPING SLIP JOINT TO PERMIT THE DRAWER TO BE OPENED AND CLOSED.
Inventors
- 👤 James M Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:27
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/20; B01; B01L; B01L9/00; B01L9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |