US3022869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall panel structure
Assignee: Individual
•
Filing: 1957-09-03
•
Granted: 1962-02-27
•
Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Radek John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0812; E04B; E04B2/00; E04B2/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US500595A
Cited
US1180797A
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US2047572A
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US2123366A
Cited
US2151221A
Cited
US2312673A
Cited
US2414986A
Cited
US2643170A
Cited
US2766855A
Cited
FR1065839A
Cited
US2881877A
Cited
US2934181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |