US2742776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building wall structure
Assignee: Honeywell International Inc
•
Filing: 1951-03-23
•
Granted: 1956-04-24
•
Expires: 1971-03-23
Abstract
No abstract record available.
Inventors
- 👤 John E Peirce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/6112; E04B2001/6195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1039830A
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US1489274A
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US2095037A
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US2079635A
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US2146960A
Cited
US2172766A
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US2387431A
Cited
US2437509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |