US1382550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plaster-board
Assignee: PLASTOID PRODUCTS Inc
•
Filing: 1917-11-19
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Granted: 1921-06-21
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Expires: 1937-11-19
Abstract
No abstract record available.
Inventors
- 👤 Orville L Routt
- 👤 Grover C Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04
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) | 1924-06-20 | 1924-12-20 | 1925-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-20 | 1928-12-20 | 1929-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-20 | 1932-12-20 | 1933-06-21 | $7700.00 | Window Closed / Lapsed |