US2655032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building brick
Assignee: PREC BUILDING SYSTEM Inc
•
Filing: 1947-12-15
•
Granted: 1953-10-13
•
Expires: 1967-12-15
Abstract
No abstract record available.
Inventors
- 👤 Harold F Zagray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2/52; E04B2002/0202; E04B2002/0204; E04B2002/0208; E04B2002/0295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190308387A
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GB190524969A
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FR415757A
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US1154546A
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FR21481E
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US1410588A
Cited
GB194627A
Cited
GB212828A
Cited
FR611679A
Cited
US1785499A
Cited
US1884319A
Cited
US2102447A
Cited
US2106177A
Cited
US2558630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |