Patent US2834705A successfully refreshed from Google Patents.
US2834705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for edge-gluing wooden elements
Assignee: Wyeth Holdings LLC
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Filing: 1954-02-16
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Granted: 1958-05-13
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Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Marcucio Stephen
- 👤 Brodsky Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:58
CPC Classifications
B; B27; B27D; B27D1/00; B27D1/10; B27D1/02; B27D1/025; C; C09; C09J; C09J161/00; C09J161/20; C09J161/30; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2809; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN THE PROCESS FOR EDGE-GLUING WOODEN ELEMENTS WHEREIN THE EDGES THEREOF ARE COATED WITH A LAYER OF AN ADHESIVE, THE EDGES TIGHTLY CLAMPED TOGETHER AND THE ADHESIVE CURED BY THE PASSAGE OF A HIGH-FREQUENCY ELECTRIC CURRENT THERETHROUGH, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE ADHESIVE A COMPOSITION COMPRISING FROM ABOUT 75% TO ABOUT 86% OF A UREA-FORMALDEHYDE CONDENSATION PRODUCT WHEREIN THE MOL RATIO OF UREA TO FORMALDEHYDE IS FROM ABOUT 1.0:1.0 TO ABOUT 1.0:2.0, RESPECTIVELY, FROM ABOUT 10% TO ABOUT 20% OF A MELAMINEFORMALDEHYDE CONDENSATION PRODUCT WHEREIN THE MOL RATIO OF MELAMINE TO FORMALDEHYDE IS FROM ABOUT 1.0:3.0 TO ABOUT 1.0:4.0, RESPECTTIVELY, FROM ABOUT 1% TO ABOUT 2% OF A HARDENING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FLUOSILICATE AND AMMONIUM BOROFLUORIDE AND THE BALANCE BEING A METALLIC SOAP, WHEREIN ALL PERCENTAGES ARE BASED ON THE TOTAL WEIGHT OF SOLIDS IN SAID COMPOSITION.
Claim 2
Dependent Claim
144 words
IN THE PROCESS FOR EDGE-GLUING WOODEN ELEMENTS WHEREIN THE EDGES THEREOF ARE COATED WITH A LAYER OF AN ADHESIVE, THE EDGES TIGHTLY CLAMPED TOGETHER AND THE ADHESIVE CURED BY THE PASSAGE OF A HIGH-FREQUENCY ELECTRIC CURRENT THERETHROUGH, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE ADHESIVE A COMPOSITION COMPRISING FROM ABOUT 75% TO ABOUT 86% OF A UREA-FORMALDEHYDE CONDENSATION PRODUCT WHEREIN THE MOL RATIO OF UREA TO FORMALDEHYDE IS FROM ABOUT 1.0:1.0 TO ABOUT 1.0:2.0, RESPECTIVELY, FROM ABOUT 10% TO ABOUT 20% OF A MELAMINEFORMALDEHYDE CONDENSATION PRODUCT WHEREIN THE MOL RATIO OF MELAMINE TO FORMALDEHYDE IS FROM ABOUT 1.0:3.0 TO ABOUT 1.0:4.0, RESPECTTIVELY, FROM ABOUT 1% TO ABOUT 2% OF A HARDENING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM FLUOSILICATE AND AMMONIUM BOROFLUORIDE AND THE BALANCE BEING A METALLIC SOAP, WHEREIN ALL PERCENTAGES ARE BASED ON THE TOTAL WEIGHT OF SOLIDS IN SAID COMPOSITION.
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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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |