US1702730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall product and apparatus for and method of making same
Assignee: Universal Gypsum & Lime Co
•
Filing: 1924-04-21
•
Granted: 1929-02-19
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Expires: 1944-04-21
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:08
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/14; B28B1/16; B28B13/00; B28B13/02; B28B5/00; B28B5/02; B28B5/026; B28B5/027; Y; Y10; Y10S; Y10S264/00; Y10S264/57; Y10S264/63; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968
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) | 1932-02-19 | 1932-08-20 | 1933-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-19 | 1936-08-20 | 1937-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-19 | 1940-08-20 | 1941-02-19 | $7700.00 | Window Closed / Lapsed |