US2907199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for wallboard
Assignee: Haas & Haynie
•
Filing: 1954-11-22
•
Granted: 1959-10-06
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Archie G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:13
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1073082A
Cited
US1258906A
Cited
US1217603A
Cited
US1507652A
Cited
US1931713A
Cited
US2017911A
Cited
US2056328A
Cited
US2127837A
Cited
US2226368A
Cited
US2296609A
Cited
US2279898A
Cited
US2796158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |