Patent US3132071A successfully refreshed from Google Patents.
US3132071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservative composition
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-04-26
•
Granted: 1964-05-05
•
Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Laurence F King
- 👤 James H Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:41
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; A01N25/04; A01N25/24; A01N31/00; A01N31/08; A01N31/10; A01N61/00; A01N61/02; B; B27; B27K; B27K3/00; B27K3/005; B27K3/16; B27K3/163; B27K3/34; B27K3/38; B27K3/40; B27K3/44; B27K3/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A GREASE-LIKE WOOD PRESERVATIVE COMPOSITION CONSISTING OF A MAJOR AMOUNT OF AN OIL BLEND HAVING A VISCOSITY OF 30 TO 40 SSU AT 100*F., WHICH CONSISTS OF GAS OIL CONTAINING IN EXCESS OF 80WT. PERCENT AROMATICS AND HAVING A VISCOSITY OF 20 TO 38 SSU AT 100*F., AND STEAM-CRACKED PETROLEUM TAR; 4 TO 8 WT. PERCENT OF SILCA HAVING PARTICLE SIZE OF 0.015 TO 0.030 MICRON; AND 5 TO 35 WT. PERCENT OF A WOOD PRESERVATIVE.
Claim 2
Dependent Claim
76 words
A GREASE-LIKE WOOD PRESERVATIVE COMPOSITION CONSISTING OF A MAJOR AMOUNT OF AN OIL BLEND HAVING A VISCOSITY OF 30 TO 40 SSU AT 100*F., WHICH CONSISTS OF GAS OIL CONTAINING IN EXCESS OF 80WT. PERCENT AROMATICS AND HAVING A VISCOSITY OF 20 TO 38 SSU AT 100*F., AND STEAM-CRACKED PETROLEUM TAR; 4 TO 8 WT. PERCENT OF SILCA HAVING PARTICLE SIZE OF 0.015 TO 0.030 MICRON; AND 5 TO 35 WT. PERCENT OF A WOOD PRESERVATIVE.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |