Patent US2675071A successfully refreshed from Google Patents.
US2675071A
Expired / Lapsed
US
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Combination storm sash and screen
Assignee: Individual
•
Filing: 1950-04-27
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Granted: 1954-04-13
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Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Humphrey Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:27
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/26; E06B3/2605; E06B2003/2615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1911752A
Cited
US852622A
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US1463444A
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US1754513A
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US2156964A
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US2262670A
Cited
US2326897A
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US2463432A
Cited
US2495877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |