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US2581465A
Expired / Lapsed
US
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Window construction
Assignee: ARNOLD PRODUCTS Inc
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Filing: 1950-02-07
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Granted: 1952-01-08
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Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 George B Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:04
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; E06B7/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858289A
Cited
US1960763A
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US2257056A
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US2327246A
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US2383912A
Cited
US2321684A
Cited
US2390394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |