US2888359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material for and process of patching plywood sheets
Assignee: American Marietta Co
•
Filing: 1954-03-22
•
Granted: 1959-05-26
•
Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jorgensen Kristen
- 👤 Robert M Williams
- 👤 Lewis S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:58
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/34; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10T; Y10T428/00; Y10T428/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
THE METHOD OF PATCHING OPEN CAVITIES IN A WOODEN PANEL, COMPRISING: FORMING A FOAMABLE PASTE MIXTURE OF WATER, THERMOSETTING RESIN SOLIDS SELECTED FROM THE GROUP OF RESINS CONSISTING OF RECORCINOL, PHENOLIC, MELAMINE AND UREA RESINS, A RESIN HARDENER, AN INERT MINERAL FILLER, AND NON-SWELLING FIBROUS MATERIAL, SAID PASTE HAVING AN INITIAL VISCOSITY OF AT LEAST 200,000 CENTIPOISES AT 25* C., DEPOSITING A PORTION OF SAID PASTE MIXTURE IN AN OPEN CAVITY IN WOODEN PANEL TO FILL THE SAME APPROXIMATELY FLUSH WITH THE SURFACE SURROUNDING SAID CAVITY; FOAMING AN SWELLING THE PASTE MIXTURE IN SAID FILLED CAVITY TO A VOLUME GREATER THAN THAT OF THE CAVITY BY DIRECTLY EXPOSING SAID PANEL AND ITS CAVITY FILLING OTHERWISE INCONFINED TO A SOURCE OF DRY RADIANT HEAT; RAISING THE INTERIOR TEMPERATURE OF SAID CAVITY FILLING TO THE VAPOR POINT OF WATER WHILE MAINTAINING THE EXPOSED SURFACE OF SAID CAVITY FILLING PERMEABLE TO DIFFUSION OF MOISTURE VAPOR; AND VOLATIZING AND DIFFUSING FROM SAID CAVITY FULLING SUBSTANTIALLY ALL OF SAID WATER WHILE SIMULTANEOUSLY CURING THE RESIN COMPONENT OF SAID CAVITY FILLING.
Claim 2
Independent Claim
175 words
THE METHOD OF PATCHING OPEN CAVITIES IN A WOODEN PANEL, COMPRISING: FORMING A FOAMABLE PASTE MIXTURE OF WATER, THERMOSETTING RESIN SOLIDS SELECTED FROM THE GROUP OF RESINS CONSISTING OF RECORCINOL, PHENOLIC, MELAMINE AND UREA RESINS, A RESIN HARDENER, AN INERT MINERAL FILLER, AND NON-SWELLING FIBROUS MATERIAL, SAID PASTE HAVING AN INITIAL VISCOSITY OF AT LEAST 200,000 CENTIPOISES AT 25* C., DEPOSITING A PORTION OF SAID PASTE MIXTURE IN AN OPEN CAVITY IN WOODEN PANEL TO FILL THE SAME APPROXIMATELY FLUSH WITH THE SURFACE SURROUNDING SAID CAVITY; FOAMING AN SWELLING THE PASTE MIXTURE IN SAID FILLED CAVITY TO A VOLUME GREATER THAN THAT OF THE CAVITY BY DIRECTLY EXPOSING SAID PANEL AND ITS CAVITY FILLING OTHERWISE INCONFINED TO A SOURCE OF DRY RADIANT HEAT; RAISING THE INTERIOR TEMPERATURE OF SAID CAVITY FILLING TO THE VAPOR POINT OF WATER WHILE MAINTAINING THE EXPOSED SURFACE OF SAID CAVITY FILLING PERMEABLE TO DIFFUSION OF MOISTURE VAPOR; AND VOLATIZING AND DIFFUSING FROM SAID CAVITY FULLING SUBSTANTIALLY ALL OF SAID WATER WHILE SIMULTANEOUSLY CURING THE RESIN COMPONENT OF SAID CAVITY FILLING.
References Cited (Backward Citations)
US255139A
Cited
US2388042A
Cited
US2419614A
Cited
US2630395A
Cited
US2567952A
Cited
US2689980A
Cited
US2744291A
Cited
US2706311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |