US3309569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for discharging insulating articles on a support
Assignee: Bayer AG
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Filing: 1963-01-30
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Granted: 1967-03-14
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Heyl Gerhard
- 👤 Luttgens Gunter
- 👤 Vinzelberg Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:19
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN THE PRODUCTION OF SMALL DISCONTINUOUS ARTICLES OF INSULATING MATERIAL, WHEREIN THE PRODUCED ARTICLES ARE TRANSPORTED BY GRAVITY FROM A FEED HOPPER TO A SIZE-SORTING DEVICE DOWN AN INCLINED PLANE AND WHEREIN SAID ARTICLES PICK UP A STATIC CHARGE BY REASON OF THEIR TRANSPORTATION DOWN SAID INCLINED PLANE; THE IMPROVEMENT WHICH COMPRISES PROVIDING PERFORATIONS OF A SIZE SMALLER THAN THE SMALLEST DIMENSION OF SAID ARTICLES IN SAID INCLINED PLANE; PROVIDING AN ELECTROSTATIC DISCHARGING MEANS BELOW SAID INCLINED PLANE OPERATIVELY ASSOCIATED SUCH AS TO DISCHARGE STATIC ELECTRICITY FROM SAID GRAVITY TRANSPORTED ARTICLES,
Claim 2
Dependent Claim
91 words
IN THE PRODUCTION OF SMALL DISCONTINUOUS ARTICLES OF INSULATING MATERIAL, WHEREIN THE PRODUCED ARTICLES ARE TRANSPORTED BY GRAVITY FROM A FEED HOPPER TO A SIZE-SORTING DEVICE DOWN AN INCLINED PLANE AND WHEREIN SAID ARTICLES PICK UP A STATIC CHARGE BY REASON OF THEIR TRANSPORTATION DOWN SAID INCLINED PLANE; THE IMPROVEMENT WHICH COMPRISES PROVIDING PERFORATIONS OF A SIZE SMALLER THAN THE SMALLEST DIMENSION OF SAID ARTICLES IN SAID INCLINED PLANE; PROVIDING AN ELECTROSTATIC DISCHARGING MEANS BELOW SAID INCLINED PLANE OPERATIVELY ASSOCIATED SUCH AS TO DISCHARGE STATIC ELECTRICITY FROM SAID GRAVITY TRANSPORTED ARTICLES,
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |