US3142579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal coating of flanged hollow bodies
Assignee: Engelhard Hanovia Inc
•
Filing: 1961-01-24
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Granted: 1964-07-28
•
Expires: 1981-01-24
Abstract
No abstract record available.
Inventors
- 👤 Brooks Donald Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:18
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PROCESS FOR INTERNALLY COATING TERMINALLY FLANGED HOLLOW BODIES OF THE TYPE IN WHICH THE HEATED HOLLOW BODY IS SECURED TO AN AERATING VESSEL FROM WHICH AN AERATED THEMOPLASTIC POWDER IS TRANSPORTED INTO THE HEATED BODY AND KEPT IN CONTACT THEREWITH UNTIL AN ADEQUATE THICKNESS OF POWDER HAS ADHERED TO THE HOLLOW BODY, THE IMPROVEMENT WHICH COMPRISES INSERTING COAXIALLY A RING AS A SPACER AND STENCIL BETWEEN THE FLANGE TO BE COATED AND THE COATING APPARATUS, SAID SPACER RING HAVING
Claim 2
Dependent Claim
81 words
IN A PROCESS FOR INTERNALLY COATING TERMINALLY FLANGED HOLLOW BODIES OF THE TYPE IN WHICH THE HEATED HOLLOW BODY IS SECURED TO AN AERATING VESSEL FROM WHICH AN AERATED THEMOPLASTIC POWDER IS TRANSPORTED INTO THE HEATED BODY AND KEPT IN CONTACT THEREWITH UNTIL AN ADEQUATE THICKNESS OF POWDER HAS ADHERED TO THE HOLLOW BODY, THE IMPROVEMENT WHICH COMPRISES INSERTING COAXIALLY A RING AS A SPACER AND STENCIL BETWEEN THE FLANGE TO BE COATED AND THE COATING APPARATUS, SAID SPACER RING HAVING
References Cited (Backward Citations)
US1618540A
Cited
DE1051175B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |