US3075251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trumpet cleaner
Assignee: Pneumafil Corp
•
Filing: 1959-10-16
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Granted: 1963-01-29
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Ernst P Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:31
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/60; D01H5/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A HIGH SPEED DRAW FRAME IN WHICH SILVER IS FED FROM THE DRAFTING ROLLS TO A CONDENSING TRUMPET, APPARATUS IMPLEMENTING THE FLOW OF SILVER TO THE TRUMPET, SAID APPARATUS COMPRISING: A SILVER PAN ADJUSTABLY MOUNTED BETWEEN THE FRONT DRAFTING ROLLS AND THE TRUMPET; ADJUSTABLE SUPPORTING MEANS FOR SAID PAN; A DUCT HAVING AN INLET COEXTENSIVE WITH THE PERIPHERY OF THE TRUMPET, SAID DUCT
Claim 2
Dependent Claim
64 words
IN A HIGH SPEED DRAW FRAME IN WHICH SILVER IS FED FROM THE DRAFTING ROLLS TO A CONDENSING TRUMPET, APPARATUS IMPLEMENTING THE FLOW OF SILVER TO THE TRUMPET, SAID APPARATUS COMPRISING: A SILVER PAN ADJUSTABLY MOUNTED BETWEEN THE FRONT DRAFTING ROLLS AND THE TRUMPET; ADJUSTABLE SUPPORTING MEANS FOR SAID PAN; A DUCT HAVING AN INLET COEXTENSIVE WITH THE PERIPHERY OF THE TRUMPET, SAID DUCT
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |