Patent US3065575A successfully refreshed from Google Patents.
US3065575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall structure for buildings
Assignee: BERNARD W DOWNS
•
Filing: 1958-06-06
•
Granted: 1962-11-27
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Robert T Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:00
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)
US1820123A
Cited
US1857490A
Cited
US1996179A
Cited
US1991550A
Cited
US2042438A
Cited
US2042290A
Cited
US2363296A
Cited
US2362119A
Cited
GB563445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |