US1346830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for hardening and preserving impregnable soft woods
Assignee: Individual
•
Filing: 1919-01-04
•
Granted: 1920-07-20
•
Expires: 1939-01-04
Abstract
No abstract record available.
Inventors
- 👤 Lambert Alphonse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:36
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/16; B27K3/32; A; A01; A01N; A01N59/00; A01N59/14; A01N59/16; A01N59/20; B27K2240/00; B27K2240/30; B27K2240/70; B27K3/163; B27K3/22; B27K3/26
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) | 1923-07-20 | 1924-01-19 | 1924-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-20 | 1928-01-19 | 1928-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-20 | 1932-01-19 | 1932-07-20 | $7700.00 | Window Closed / Lapsed |