US2125286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: PLASTERGON WALL BOARD Co
•
Filing: 1935-10-11
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Granted: 1938-08-02
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Expires: 1955-10-11
Abstract
No abstract record available.
Inventors
- 👤 Fletcher John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:31
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; E04B1/942; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/16; Y10T428/169; Y10T428/31504; Y10T428/31652; Y10T428/31659; Y10T428/31678; Y10T428/31703
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) | 1941-08-01 | 1942-01-31 | 1942-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-01 | 1946-01-31 | 1946-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-01 | 1950-01-31 | 1950-08-02 | $7700.00 | Window Closed / Lapsed |