US2714231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building structures
Assignee: Individual
•
Filing: 1951-04-02
•
Granted: 1955-08-02
•
Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Brunton Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/386; E04B; E04B2/00; E04B2/56; E04B2/70; E04B2/706; E04B2/707
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2187148A
Cited
US1337745A
Cited
US1915940A
Cited
US2280687A
Cited
GB563332A
Cited
US2363405A
Cited
US2546290A
Cited
US2521381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |