US2515489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating process
Assignee: HARDING Manufacturing Co Inc
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Filing: 1946-06-28
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Granted: 1950-07-18
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Michael J Borushko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B05D3/00; B05D3/02; B05D3/04; B05D3/0486; B05D2401/00; B05D2401/20; B05D3/0466; B05D3/0473
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
THE METHOD OF APPLYING A FILM-LIKE COATING TO THE SURFACE OF AN ARTICLE WHICH COMPRISES PROVIDING A BODY OF LIQUID COMPOSITION INCLUDING A VOLATILE SOLVENT AND A FILM-FORMING MATERIAL DISPERSED THEREIN; MAINTAINING SAID LIQUID AT AN ELEVATED TEMPERATURE APPROACHING THE BOILING POING OF SAID SOLVENT; CONDENSING AND RETURNING TO SAID LIQUID SOLVENT VAPOR RISING THEREFORM AT SAID ELEVATED TEMPERATURE; IMMERSIN AN ARTICLE TO BE COATED IN SAID LIQUID FOR A TIME SUFFICIENT TO RAISE THE SURFACE OF SAID ARTICLE SUBSTANTIALLY TO THE TEMPERATURE OF SAID LIQUID; THEREAFTER RAISING SAID ARTICLE ABOVE SAID VAPOR GENERATED FROM SAID LIQUID AND IMMEDIATELY DISPOSING THE ARTICLE IN AN ENCLOSED SUBSTANTIALLY VAPOR FREE CHAMBER, THE ARTICLE THEN BEING HOT AND CARRYING AND ADHERING LAYER OF SAID HOT LIQUID; SAID ENCLOSED CHAMBER BEING BOUNDED BY COOLED SIDE WALLS MAINTAINED AT A SOLVENT CONDENSING TEMPERATURE; RETAINING SAID ARTICLE IN SAID CHAMBER WHILE THE HEAT CONTENT OF SAID ARTICLE CAUSESRAPID VOLATILIZATION OF THE SOLVENT CONTENT OF SAID LAYER TO LEAVE SAID ARTICLE COATED WITH SAID FILM FORMING MATERIAL, THE SOLVENT VAPOR LIBERATED IN SAID CHAMBER FOR SAID LAYER BEING CONDENSED AT SAID SIDE WALLS TO MAINTAIN SAID ENCLOSED CHAMBER SUBSTANTIALLY FREE FROM SOLVENT VAPOR; AND RECOVERING THE RESULTING LIQUID SOLVENT CONDENSATE.
Claim 2
Independent Claim
203 words
THE METHOD OF APPLYING A FILM-LIKE COATING TO THE SURFACE OF AN ARTICLE WHICH COMPRISES PROVIDING A BODY OF LIQUID COMPOSITION INCLUDING A VOLATILE SOLVENT AND A FILM-FORMING MATERIAL DISPERSED THEREIN; MAINTAINING SAID LIQUID AT AN ELEVATED TEMPERATURE APPROACHING THE BOILING POING OF SAID SOLVENT; CONDENSING AND RETURNING TO SAID LIQUID SOLVENT VAPOR RISING THEREFORM AT SAID ELEVATED TEMPERATURE; IMMERSIN AN ARTICLE TO BE COATED IN SAID LIQUID FOR A TIME SUFFICIENT TO RAISE THE SURFACE OF SAID ARTICLE SUBSTANTIALLY TO THE TEMPERATURE OF SAID LIQUID; THEREAFTER RAISING SAID ARTICLE ABOVE SAID VAPOR GENERATED FROM SAID LIQUID AND IMMEDIATELY DISPOSING THE ARTICLE IN AN ENCLOSED SUBSTANTIALLY VAPOR FREE CHAMBER, THE ARTICLE THEN BEING HOT AND CARRYING AND ADHERING LAYER OF SAID HOT LIQUID; SAID ENCLOSED CHAMBER BEING BOUNDED BY COOLED SIDE WALLS MAINTAINED AT A SOLVENT CONDENSING TEMPERATURE; RETAINING SAID ARTICLE IN SAID CHAMBER WHILE THE HEAT CONTENT OF SAID ARTICLE CAUSESRAPID VOLATILIZATION OF THE SOLVENT CONTENT OF SAID LAYER TO LEAVE SAID ARTICLE COATED WITH SAID FILM FORMING MATERIAL, THE SOLVENT VAPOR LIBERATED IN SAID CHAMBER FOR SAID LAYER BEING CONDENSED AT SAID SIDE WALLS TO MAINTAIN SAID ENCLOSED CHAMBER SUBSTANTIALLY FREE FROM SOLVENT VAPOR; AND RECOVERING THE RESULTING LIQUID SOLVENT CONDENSATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |