US3473947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preventing wood degradation
Assignee: SCM Corp
•
Filing: 1967-12-06
•
Granted: 1969-10-21
•
Expires: 1987-12-06
Abstract
No abstract record available.
Inventors
- 👤 Laurence A Story
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:14
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/34; B27K3/50; B27K3/38; B27K3/40; B27K5/00; B27K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1714701A
Cited
US2031973A
Cited
US3088845A
Cited
US3061508A
Cited
US3197272A
Cited
US3333977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |