US1723384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preserving wood
Assignee: Individual
•
Filing: 1926-11-17
•
Granted: 1929-08-06
•
Expires: 1946-11-17
Abstract
No abstract record available.
Inventors
- 👤 Walter O Snelling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:55
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/34; B27K3/44; B27K3/02; B27K3/0278; B27K3/08; B27K3/15; B27K3/156; B27K5/00; B27K5/0085; Y; Y10; Y10T; Y10T428/00; Y10T428/4935; Y10T428/662
Claims Analysis
Total Claims: 0
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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) | 1932-08-05 | 1933-02-04 | 1933-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-05 | 1937-02-04 | 1937-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-05 | 1941-02-04 | 1941-08-06 | $7700.00 | Window Closed / Lapsed |