Patent US3350140A successfully refreshed from Google Patents.
US3350140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying slab-shaped articles
Assignee: Commscope Technologies AG
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Filing: 1966-05-11
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Granted: 1967-10-31
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Expires: 1986-05-11
Abstract
No abstract record available.
Inventors
- 👤 Mauritz L Strydom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:41
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02; B65G51/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PNEUMATIC SYSTEM FOR CONVEYING SLAB-SHAPED ARTICLES CONSISTING IN AN ELONGATED TROUGH HAVING A BASE AND PARALLEL SIDE WALLS FLANKING THE BASE, JETS PIERCING THE BASE AND MEANS TO CAUSE GAS TO FLOW THROUGH THE JETS, SO THAT EACH ARTICLE FLOATS ON A CUSHION OF GAS CREATED BY GAS FLOW BETWEEN THE BOTTOM OF THE ARTICLE AND THE SURFACE OF THE BASE, HAVING THE IMPROVEMENT THAT THE JETS ARE PROVIDED IN TWO PARALLEL TO THE SIDE WALLS AND THE JETS IN EACH ROW AR INCLINED TOWARDS THE OTHER ROW AT AN ANGLE CAUSIN AMPLIFICATION OF CUSHION PRESSURE.
Claim 2
Dependent Claim
97 words
A PNEUMATIC SYSTEM FOR CONVEYING SLAB-SHAPED ARTICLES CONSISTING IN AN ELONGATED TROUGH HAVING A BASE AND PARALLEL SIDE WALLS FLANKING THE BASE, JETS PIERCING THE BASE AND MEANS TO CAUSE GAS TO FLOW THROUGH THE JETS, SO THAT EACH ARTICLE FLOATS ON A CUSHION OF GAS CREATED BY GAS FLOW BETWEEN THE BOTTOM OF THE ARTICLE AND THE SURFACE OF THE BASE, HAVING THE IMPROVEMENT THAT THE JETS ARE PROVIDED IN TWO PARALLEL TO THE SIDE WALLS AND THE JETS IN EACH ROW AR INCLINED TOWARDS THE OTHER ROW AT AN ANGLE CAUSIN AMPLIFICATION OF CUSHION PRESSURE.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |