Patent US4704103A successfully refreshed from Google Patents.
US2706162A
Expired / Lapsed
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Method of finishing wooden articles and article produced thereby
Assignee: Sherwin Williams Co
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Filing: 1949-07-23
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Granted: 1955-04-12
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Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Brown
- 👤 Harvey L Piepho
- 👤 Francis H Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:02
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
A PROCESS FOR FINISHING WOODEN ARTICLES WHICH COMPRISES APPLYING THERETO A FILLER CONTAINING A POLAR MALEIC TREATED DRYING OIL-PENTAERYTHRITOL ESTER VEHICLE HAVING AN ACID VALUE BETWEEN 15 AND 40 AND BEING FREE FROM POLYCARBOXYLIC ACID CONSTITUENTS OTHER THAN THOSE DERIVED FROM MALEIC ANHYDRIDE, REMOVING THE EXCESS, AND IMMEDIATELY THEREAFTER BEFORE SUBSTANTIAL OXIDATION OCCURS, APPLYING OVER THE SAID WET FILLER AN OIL MODIFIED ALKYD VARNISHCHLORINATED RUBBER CONTAINING SEALED COAT AND CO-DRYING THE SAID FILLER AND THE SAID SEALER TO PRODUCE A FILLER HARDENED ESSENTIALLY BY POLYMERIZATION OUT OF CONTACT WITH THE AIR, SAID COMBINATION PRODUCING A BASE FINISH CHARACTERIZED BY ITS RECOATABILITY WITH NITROCELLULOSE LACQUERS IN SOLUTION IN LACQUER SOLVENTS WITHOUT LIFTING OR SEPARATION BETWEEN THE CO-DRIED COATINGS AND THE STRONG ADHESION BETWEEN THE SUCCESSIVE COATINGS.
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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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |