US2674775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making molded panels
Assignee: Individual
•
Filing: 1946-07-03
•
Granted: 1954-04-13
•
Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Corwin D Willson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:21
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0092; B28B1/00; B28B1/50; B28B1/503; B28B7/00; B28B7/34; B28B7/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2092106A
Cited
US1297906A
Cited
US1434091A
Cited
US1552064A
Cited
US1502501A
Cited
US1813909A
Cited
US1902178A
Cited
GB369241A
Cited
US1951344A
Cited
US2009056A
Cited
US2079664A
Cited
US2031568A
Cited
GB436287A
Cited
US2235176A
Cited
US2255511A
Cited
US2252157A
Cited
US2351615A
Cited
US2311358A
Cited
US2316752A
Cited
US2394146A
Cited
US2376653A
Cited
US2460309A
Cited
GB561716A
Cited
US2392551A
Cited
US2409094A
Cited
US2421721A
Cited
US2528643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |