Patent US3419448A successfully refreshed from Google Patents.
US3419448A
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Method of patching ceramic lined equipment and patch therefor
Assignee: Novartis Corp
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Filing: 1963-10-07
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Granted: 1968-12-31
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Travis R Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:10
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/42; B; B01; B01J; B01J19/00; B01J19/0053; B01J19/0073; B01J19/02; B65; B65D; B65D85/00; B65D85/70; B65D85/84; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0218; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49732; Y10T29/49739; Y10T29/49741; Y10T29/49826; Y10T29/49947; Y10T29/49948; Y10T29/49952
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
A METHOD OF COVERING A DAMAGED PORTION OF A CERAMIC LINED WALL OF A PIECE OF MATERIAL HANDLING EQUIPMENT, COMPRISING FILLING THE DAMAGED PORTION OF THE WALL WITH A PATCHING CEMENT WHICH IS UNAFFECTED BY THE MATERIAL BEING HANDLED BY THE EQUIPMENT, COVERING THE DAMAGED PORTION OF THE WALL AND A PORTION OF THE SURROUNDING CERAMIC LINING WITH A GASKET OF THIN SHEET MATERIAL WHICH IS FLEXIBLE AND RESILIENT AND WHICH IS UNAFFECTED BY THE MATERIAL BEING HANDLED IN THE EQUIPMENT, PLACING A GASKET CLAMP OF A RIGID MATERIAL WHICH IS UNAFFECTED BY THE MATERIAL BEING HANDLED AND WHICH IS IN THE FORM OF A CLOSED FIGURE AND HAVING AT LEAST TWO DEPENDING EDGES OVER THE GASKET ADJACENT THE PERIPHERY THEREOF, AND SECURING SAID GASKET CLAMP TO THE WALL OF THE EQUIPMENT FOR CLAMPING THE GASKET TIGHTLY AGAINST THE CERAMIC LINING AROUND THE DAMAGED PORTION OF THE WALL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |