Patent US2626643A successfully refreshed from Google Patents.
US2626643A
Expired / Lapsed
US
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Apparatus for producing prefabricated building walls
Assignee: Individual
•
Filing: 1950-06-21
•
Granted: 1953-01-27
•
Expires: 1970-06-21
Abstract
No abstract record available.
Inventors
- 👤 John J Kantzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:07
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/0013; B27M3/0073; Y; Y10; Y10S; Y10S269/00; Y10S269/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US781172A
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US929045A
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US1122570A
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US1618341A
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US1766230A
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US1873818A
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US1960590A
Cited
GB407641A
Cited
US2322368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |