US2710079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated wall structure for buildings
Assignee: Black Sivalls and Bryson Inc
•
Filing: 1950-07-28
•
Granted: 1955-06-07
•
Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Max J Kunert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:18
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/70; E04B1/7069
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US808664A
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US1220240A
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US1234941A
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US1732400A
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US1885013A
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US1977391A
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US2166095A
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US2340003A
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US2439960A
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US2396257A
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US2426380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |