US2955815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Louvered wall
Assignee: Individual
•
Filing: 1956-05-14
•
Granted: 1960-10-11
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Muhr John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190409046A
Cited
US1057674A
Cited
US1398695A
Cited
US1582129A
Cited
US1661128A
Cited
US2185497A
Cited
US2281967A
Cited
US2366339A
Cited
US2587702A
Cited
US2610371A
Cited
US2607585A
Cited
US2758345A
Cited
US2778630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |