US2817619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing polyester-faced bodies
Assignee: Akzo Nobel Paints LLC
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Filing: 1954-07-02
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Granted: 1957-12-24
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Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 David K Bickel
- 👤 Stephen J Mittl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; D; D06; D06N; D06N3/00; D06N3/007; D06N3/12; D06N3/121; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968; Y10T428/25; Y10T428/259; Y10T428/31504; Y10T428/31786; Y10T428/31794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
THE PROCESS OF MAKING A RIGID, REINFORCED STRUCTURAL UNIT PROVIDED WITH AN EXPOSED, FORMED AND PORE-FREE FACING OF POLYESTER RESIN WHICH COMPRISES: PROVIDING A MOLD SURFACE ADAPTED TO IMPART TO A COATING APPLIED THEREON A CONFIGURATION AND TEXTURE CORRESPONDING TO THAT WHICH IS DESIRED ON THE SAID EXPOSED FACING OF SAID UNIT, APPLYING ON AT LEAST A PART OF SAID MOLD SURFACE A GELABLE, LIQUID POLYESTER COATING AS A FIRST COATING THEREON; GELLING SAID FIRST COATING WITHOUT CURING IT FULLY; APPLYING AT LEAST ONE ADDITIONAL AND DIFFERENT GELABLE LIQUID POLYESTER COATING OVER SAID FIRST COAT AND OVER ANY SELECTED PORTIONS OF SAID MOLD SURFACE NOT PREVIOUSLY COATED BY SAID FIRST COAT, THEREBY TO PROVIDE MULTIPLE COATS ON AT LEAST SELECTED PORTIONS OF SAID MOLD SURFACE; POSITIONING A RIGID, STRUCTURAL BACKING MEMBER WHICH IS TO FORM THE MAIN BODY OF THE DESIRED UNIT IN CONTACT WITH AT LEAST ONE OF SAID ADDITIONAL COATINGS WHILE THE LATTER IS IN AN
Claim 2
Dependent Claim
158 words
THE PROCESS OF MAKING A RIGID, REINFORCED STRUCTURAL UNIT PROVIDED WITH AN EXPOSED, FORMED AND PORE-FREE FACING OF POLYESTER RESIN WHICH COMPRISES: PROVIDING A MOLD SURFACE ADAPTED TO IMPART TO A COATING APPLIED THEREON A CONFIGURATION AND TEXTURE CORRESPONDING TO THAT WHICH IS DESIRED ON THE SAID EXPOSED FACING OF SAID UNIT, APPLYING ON AT LEAST A PART OF SAID MOLD SURFACE A GELABLE, LIQUID POLYESTER COATING AS A FIRST COATING THEREON; GELLING SAID FIRST COATING WITHOUT CURING IT FULLY; APPLYING AT LEAST ONE ADDITIONAL AND DIFFERENT GELABLE LIQUID POLYESTER COATING OVER SAID FIRST COAT AND OVER ANY SELECTED PORTIONS OF SAID MOLD SURFACE NOT PREVIOUSLY COATED BY SAID FIRST COAT, THEREBY TO PROVIDE MULTIPLE COATS ON AT LEAST SELECTED PORTIONS OF SAID MOLD SURFACE; POSITIONING A RIGID, STRUCTURAL BACKING MEMBER WHICH IS TO FORM THE MAIN BODY OF THE DESIRED UNIT IN CONTACT WITH AT LEAST ONE OF SAID ADDITIONAL COATINGS WHILE THE LATTER IS IN AN
References Cited (Backward Citations)
US1678613A
Cited
US2330400A
Cited
US2545832A
Cited
US2495640A
Cited
US2459279A
Cited
US2614955A
Cited
US2752275A
Cited
US2695256A
Cited
US2751775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |