US2714816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building wall unit for an opaque and translucent corrugation surface
Assignee: Individual
•
Filing: 1949-06-27
•
Granted: 1955-08-09
•
Expires: 1969-06-27
Abstract
No abstract record available.
Inventors
- 👤 Pennell Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:53
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720987A
Cited
US721259A
Cited
GB190313733A
Cited
GB190811054A
Cited
US1827624A
Cited
US1949898A
Cited
US2179863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |