US2526323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof construction
Assignee: Individual
•
Filing: 1946-10-18
•
Granted: 1950-10-17
•
Expires: 1966-10-18
Abstract
No abstract record available.
Inventors
- 👤 John F Blaski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:02
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/08; E04C; E04C2/00; E04C2/30; E04C2/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1119435A
Cited
US1229477A
Cited
US1771028A
Cited
US1977391A
Cited
US1948619A
Cited
US2436543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |