Patent US1828029A successfully refreshed from Google Patents.
US1828029A
Expired / Lapsed
US
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Wall board, sheathing lumber and the like
Assignee: Pacific Lumber Co
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Filing: 1929-06-22
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Granted: 1931-10-20
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Expires: 1949-06-22
Abstract
No abstract record available.
Inventors
- 👤 Marx Carl
- 👤 Elton R Darling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:01
CPC Classifications
D; D21; D21J; D21J1/00; D21J1/16; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31971; Y10T428/31993; Y10T428/31996; Y10T442/00; Y10T442/20; Y10T442/2762
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) | 1934-10-19 | 1935-04-20 | 1935-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-19 | 1939-04-20 | 1939-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-19 | 1943-04-20 | 1943-10-20 | $7700.00 | Window Closed / Lapsed |