US3183114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wood with ethylene oxide gas or propylene oxide gas
Assignee: AMF Inc
•
Filing: 1961-04-24
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Granted: 1965-05-11
•
Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Liu Chien
- 👤 Charles W Mcmillin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:05
CPC Classifications
C; C08; C08H; C08H8/00; B; B27; B27K; B27K3/00; B27K3/02; B27K3/08; B27K3/15; C08L; C08L71/00; C08L71/02; Y; Y10; Y10T; Y10T428/00; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE METHOD FOR ENHANCING THE CHARACTERISTICS OF WOOD WHICH COMPRISES TREATING SAID WOOD UNDER PRESSURE WITH A VAPOROUS POLYMERIZABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE, TO FORM POLYMERIZATION PRODUCTS IN SITU IN THE WOOD.
Claim 2
Independent Claim
40 words
THE METHOD FOR ENHANCING THE CHARACTERISTICS OF WOOD WHICH COMPRISES TREATING SAID WOOD UNDER PRESSURE WITH A VAPOROUS POLYMERIZABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE, TO FORM POLYMERIZATION PRODUCTS IN SITU IN THE WOOD.
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US3032549A
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US3074833A
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |