US2545222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservation
Assignee: Beazer East Inc
•
Filing: 1948-04-27
•
Granted: 1951-03-13
•
Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Bescher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:25
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/16; B27K3/32; B27K2240/00; B27K2240/30; B27K2240/70; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/3196; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A FIRE-RESISTANT WOOD COMPRISING: A WOOD IMPREGNATED WITH A MIXTURE BY WEIGHT OF 80%
Claim 2
Dependent Claim
14 words
A FIRE-RESISTANT WOOD COMPRISING: A WOOD IMPREGNATED WITH A MIXTURE BY WEIGHT OF 80%
References Cited (Backward Citations)
US1194558A
Cited
US914300A
Cited
US1527330A
Cited
US1766606A
Cited
US1994073A
Cited
GB428873A
Cited
US2381049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |