Patent US3467546A successfully refreshed from Google Patents.
US3467546A
Expired / Lapsed
US
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Method of impregnating wood
Assignee: ROBERT Z PAGE
•
Filing: 1966-06-23
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Granted: 1969-09-16
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert Z Page
- 👤 Benjamin E Reed Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:55
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/08; B27K3/10; B27K3/0278; B27K5/00; B27K5/003; B27K5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318740A
Cited
US1629302A
Cited
US2302306A
Cited
US2657668A
Cited
FR1042012A
Cited
FR1076806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |