US2222573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallboard construction
Assignee: DECO BOARD CORP
•
Filing: 1938-06-27
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Granted: 1940-11-19
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Expires: 1958-06-27
Abstract
No abstract record available.
Inventors
- 👤 Burt B Reger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:10
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/16; Y; Y10; Y10T; Y10T428/00; Y10T428/15; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694
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) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |