US2867543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood impregnating and coloring process
Assignee: Western Sealant Development Corp
•
Filing: 1956-10-22
•
Granted: 1959-01-06
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Braun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:03
CPC Classifications
B; B27; B27K; B27K5/00; B27K5/02; B27K3/00; B27K3/02; B27K3/08; B27K3/15; Y; Y10; Y10T; Y10T428/00; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF PRODUCING AN IMPREGNATED DARKENED WOODEN MEMBER THAT COMPRISES EVACUATING AIR AND VOLATILE CONSTITUENTS FROM THE PORES OF A PIECE OF WOOD BY HEATING THE WOOD AND SUBJECTING IT TO A VACUUM, THEN IMMERSING SAID WOOD IN A BODY OF UNCURED THERMOSETTING RESIN IN LIQUID FORM, APPLYING PRESSURE TO SAID RESIN AND THEREBY FORCING THE RESIN INTO THE PORES OF THE WOOD, REMOVING SAID WOOD FROM THE BODY OF RESIN WITH SOME OF THE RESIN RETAINED IN THE PORES OF THE WOOD AND COATING THE SURFACE OF THE WOOD, HEATING SAID WOOD AND CARRIED RESIN AND THEREBY CURING THE LATTER TO A HARDENED POLYMERIZED FORM,
Claim 2
Independent Claim
107 words
THE METHOD OF PRODUCING AN IMPREGNATED DARKENED WOODEN MEMBER THAT COMPRISES EVACUATING AIR AND VOLATILE CONSTITUENTS FROM THE PORES OF A PIECE OF WOOD BY HEATING THE WOOD AND SUBJECTING IT TO A VACUUM, THEN IMMERSING SAID WOOD IN A BODY OF UNCURED THERMOSETTING RESIN IN LIQUID FORM, APPLYING PRESSURE TO SAID RESIN AND THEREBY FORCING THE RESIN INTO THE PORES OF THE WOOD, REMOVING SAID WOOD FROM THE BODY OF RESIN WITH SOME OF THE RESIN RETAINED IN THE PORES OF THE WOOD AND COATING THE SURFACE OF THE WOOD, HEATING SAID WOOD AND CARRIED RESIN AND THEREBY CURING THE LATTER TO A HARDENED POLYMERIZED FORM,
References Cited (Backward Citations)
US117393A
Cited
US949671A
Cited
US921000A
Cited
US1235895A
Cited
US1483733A
Cited
US1732419A
Cited
US1729056A
Cited
US1723384A
Cited
US2140981A
Cited
US2398649A
Cited
US2529862A
Cited
US2431148A
Cited
US2591768A
Cited
US2687397A
Cited
US2790736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |