Patent JPS5594230A successfully refreshed from Google Patents.
US1646598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plaster board
Assignee: PLASTOID PRODUCTS Inc
•
Filing: 1925-04-17
•
Granted: 1927-10-25
•
Expires: 1945-04-17
Abstract
No abstract record available.
Inventors
- 👤 Orville L Routt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1930-10-24 | 1931-04-25 | 1931-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-24 | 1935-04-25 | 1935-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-24 | 1939-04-25 | 1939-10-25 | $7700.00 | Window Closed / Lapsed |