US2829744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Awning window structure
Assignee: Individual
•
Filing: 1954-04-19
•
Granted: 1958-04-08
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank M O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:27
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5009; E06B3/96; E06B3/964; E06B3/968; E06B3/9684; E06B3/9685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2316442A
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US2622672A
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US2451076A
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US2640567A
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US2699579A
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US2667950A
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US2644557A
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US2610371A
Cited
US2723732A
Cited
US2654921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |