US3223343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming sheet metal treating packs
Assignee: Chromizing Corp
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Filing: 1962-10-29
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Granted: 1965-12-14
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Maurice R Commanday
- 👤 Jacob Z Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:51
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
APPARATUS FOR INCORPORATING COMMINUTED MATERIAL IN A CONVOLUTE ROLL PACK, COMPRISING (A) A WINDING MANDREL, (B) MEANS FOR ROTATING THE MANDREL, (C) MEANS FOR SUPPORTING SHEET METAL EXTENDING TO THE MANDREL TO BE WOUND THEREON IN CONVOLUTE ROLL FORM BY THE ROTATION OF THE MANDREL, (D) MEANS FOR FEEDING SOLID COMMINUTED MATERIAL INTO A THROAT FORMED AT AND BY CONVERGENCE OF THE SHEET METAL WITH THE OUTER CONVOLUTION OF THE ROLL, AND
Claim 2
Dependent Claim
72 words
APPARATUS FOR INCORPORATING COMMINUTED MATERIAL IN A CONVOLUTE ROLL PACK, COMPRISING (A) A WINDING MANDREL, (B) MEANS FOR ROTATING THE MANDREL, (C) MEANS FOR SUPPORTING SHEET METAL EXTENDING TO THE MANDREL TO BE WOUND THEREON IN CONVOLUTE ROLL FORM BY THE ROTATION OF THE MANDREL, (D) MEANS FOR FEEDING SOLID COMMINUTED MATERIAL INTO A THROAT FORMED AT AND BY CONVERGENCE OF THE SHEET METAL WITH THE OUTER CONVOLUTION OF THE ROLL, AND
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |