Patent US3759774A successfully refreshed from Google Patents.
US3759774A
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US
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Process of making structural parts of improved surface properties
Assignee: GOLD und SILBER SCHEIDEANSTALT DT
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Filing: 1971-08-09
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Granted: 1973-09-18
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Expires: 1991-08-09
Abstract
Abstract A STRUCTURAL PART IS FORMED OF IMPROVED SURFACE PROPERTIES BY MOISTENING THE PART WITH A LIQUID POLYMERIZABLE ORGANIC COMPOUND AND THEN APPLYING A FINELY DIVIDED THERMOPLASTIC POLYMERIC SUBSTANCE IN A SUBSTANTIALLY UNIFORM MANNER TO THE FACES OR ONE FACE OF THE PART, THE SAID POLYMER BEING AT LEAST SWELLABLE IN SAID LIQUID POLYMERIZABLE COMPOSITION, AND FINALLY SUBJECTING THE PART TO PRESSURE AND ELEVATED TEMPERATURES SUFFICIENT TO CAUSE CURING OF THE POLYMERIZABLE ORGANIC COMPOSITION AND FORMING OF A SUBSTANTIALLY COHERENT POLYMER COATING ON THE PART.
Inventors
- 👤 E Bader
- 👤 H Koert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:08
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; B05D5/00; B05D5/06; B27; B27D; B27D1/00; B27D1/04; C; C08; C08L; C08L97/00; C08L97/02; C09; C09D; C09D4/00; C09D4/06; B05D3/00; B05D3/02; B05D3/0254; B05D3/12; B27K; B27K3/00; B27K3/02; B27K3/15; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12
Claims Analysis
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |