US1856756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating wood and wooden article produced thereby
Assignee: Individual
•
Filing: 1928-12-06
•
Granted: 1932-05-03
•
Expires: 1948-12-06
Abstract
No abstract record available.
Inventors
- 👤 Nicholas F Frigiola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:25
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/52; B27K3/02; B27K3/0278; B27K3/16; B27K3/166; B27K2240/00; B27K2240/30; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/31504; Y10T428/31971; Y10T428/31989; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-05-03 | 1935-11-02 | 1936-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-03 | 1939-11-02 | 1940-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-03 | 1943-11-02 | 1944-05-03 | $7700.00 | Window Closed / Lapsed |