US2924861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush type door having foamed plastic filler and method of constructing
Assignee: Individual
•
Filing: 1957-07-16
•
Granted: 1960-02-16
•
Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles W Viets
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/52; E06B3/00; E06B3/70; E06B3/7015; E06B2003/7023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397842A
Cited
US2033884A
Cited
US2041942A
Cited
US2614295A
Cited
US2552641A
Cited
US2785440A
Cited
US2726424A
Cited
US2833004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |