US3334781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow body and method of making the same
Assignee: Schmidding Wilhelm GmbH and Co Firma
•
Filing: 1963-02-11
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Granted: 1967-08-08
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Kraus Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:10
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/14; C; C23; C23F; C23F3/00; C23F3/02; C25; C25D; C25D11/00; C25D11/02; C25D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A LIQUID-ENGAGING HOLLOW BODY INCLUDING A WALL HAVING A FACE WHICH IS ADAPTED TO BE DIRECTED TOWARD THE LIQUID, SAID WALL CONSISTING ESSENTIALLY OF A LAYER OF BAKED ENAMEL FORMING SAID FACE, A LAYER OF LIGHT METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, AND AN OXIDE LAYER HAVING A THICKNESS OF LESS THAN 2 MICRONS INTERPOSED BETWEEN AND ADHERING TO SAID LAYERS OF LIGHT METAL AND BAKED ENAMEL.
Claim 2
Dependent Claim
72 words
A LIQUID-ENGAGING HOLLOW BODY INCLUDING A WALL HAVING A FACE WHICH IS ADAPTED TO BE DIRECTED TOWARD THE LIQUID, SAID WALL CONSISTING ESSENTIALLY OF A LAYER OF BAKED ENAMEL FORMING SAID FACE, A LAYER OF LIGHT METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM ALLOYS, AND AN OXIDE LAYER HAVING A THICKNESS OF LESS THAN 2 MICRONS INTERPOSED BETWEEN AND ADHERING TO SAID LAYERS OF LIGHT METAL AND BAKED ENAMEL.
References Cited (Backward Citations)
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US2918194A
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GB822059A
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US2872346A
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US2994454A
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US3061447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |