US1778008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plaster board
Assignee: ADA W DELANEY
•
Filing: 1929-08-10
•
Granted: 1930-10-14
•
Expires: 1949-08-10
Abstract
No abstract record available.
Inventors
- 👤 John H Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:38
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0075; B28B19/00; B28B19/0092; B28B23/0081; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10S264/00; Y10S264/57; Y10S264/63; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968; Y10T428/249986; Y10T428/25; Y10T428/251
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) | 1933-10-13 | 1934-04-14 | 1934-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-10-13 | 1938-04-14 | 1938-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-10-13 | 1942-04-14 | 1942-10-14 | $7700.00 | Window Closed / Lapsed |