US3305977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibratory barrel finishing machines
Assignee: ALMCO SUPERSHEEN DIVISION OF G
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Filing: 1964-05-27
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Granted: 1967-02-28
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Kellard Charles James Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:01
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/06; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86236
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
92 words
IN A VIBRATORY BARREL FINISHING MACHINE HAVING A FINISHING BARREL AND MEANS FOR SUPPLYING FINISHING COMPOUND TO THE BARREL, AND FOR WITHDRAWING IT THEREFROM, THE PROVISION OF AN UPWARDLY EXTENDING EXTERNAL STACK PIPE COMMUNICATING AT ITS UPPER END WITH THE ATMOSPHERE AND AT ITS LOWER END WITH THE INTERIOR OF THE BOTTOM OF THE BARREL, A PLURALITY OF VERTICALLY SPACED DISCHARGE OUTLETS FORMED IN SAID STACK PIPE FOR DISCHARGING COMPOUND FROM THE BARREL THROUGH A SELECTED ONE OF SAID OUTLETS, AND OPENABLE CLOSURE MEANS FOR CLOSING EACH OUTLET BELOW SAID SELECTED OUTLET.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |