Patent US3982948A successfully refreshed from Google Patents.
Patent US2469252A successfully refreshed from Google Patents.
US2469252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for mounting wall and ceiling paneling
Assignee: Individual
•
Filing: 1945-09-06
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Granted: 1949-05-03
•
Expires: 1965-09-06
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Wiegert
- 👤 Edward W Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:31
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0821; E04F13/0826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600865A
Cited
US1379882A
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US1399315A
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US1931713A
Cited
FR40109E
Cited
US2187752A
Cited
US2120195A
Cited
US2316424A
Cited
US2349490A
Cited
US2345419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |