US2640535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triple sliding storm window unit
Assignee: Eagle Picher Co
•
Filing: 1950-06-29
•
Granted: 1953-06-02
•
Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Louis J Milone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:04
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4453; E06B2003/4492; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606948A
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US699157A
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US1330714A
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US1810791A
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US2262670A
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US2298406A
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US2291726A
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US2329485A
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US2430772A
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US2467511A
Cited
US2477942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |