US1804633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making fire proofed wood and like cellular products
Assignee: Individual
•
Filing: 1928-01-09
•
Granted: 1931-05-12
•
Expires: 1948-01-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/16; B27K3/32; B27K3/02; B27K3/0278; B27K3/166; B27K3/20; B27K5/00; B27K5/04; B27K2240/00; B27K2240/30
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) | 1934-05-11 | 1934-11-10 | 1935-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-11 | 1938-11-10 | 1939-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-11 | 1942-11-10 | 1943-05-12 | $7700.00 | Window Closed / Lapsed |