Patent US2406272A successfully refreshed from Google Patents.
US2406272A
Expired / Lapsed
US
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Roll screen assembly
Assignee: Borg Warner Corp
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Filing: 1942-12-05
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Granted: 1946-08-20
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Expires: 1962-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harold E Van Voorhees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:32
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52; E06B9/54; E06B9/56; E06B9/80; E06B9/82; E06B2009/801; E06B2009/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-19 | 1950-02-18 | 1950-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-19 | 1954-02-18 | 1954-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-19 | 1958-02-18 | 1958-08-20 | $7700.00 | Window Closed / Lapsed |