US2783507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel construction
Assignee: HOME AND BUILDING PARTS COMPAN
•
Filing: 1953-10-05
•
Granted: 1957-03-05
•
Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Leon E Medal
- 👤 Henry F Porbes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:35
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/3405; E04C2002/3444; E04C2002/3455
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207734A
Cited
US1686118A
Cited
US2076728A
Cited
US2190490A
Cited
US2339220A
Cited
US2576530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |