US2830333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood casement windows
Assignee: Individual
•
Filing: 1951-12-11
•
Granted: 1958-04-15
•
Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5009; E06B3/5018; E06B3/04; E06B3/06; E06B3/08; E06B3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828513A
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US1444223A
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US1538025A
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US1648584A
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US1749666A
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US1745016A
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US1735048A
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US1948152A
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US1922741A
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US1935037A
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US1959941A
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US2361375A
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US2400009A
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US2403565A
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US2642967A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |