US2595167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1947-02-04
•
Granted: 1952-04-29
•
Expires: 1967-02-04
Abstract
No abstract record available.
Inventors
- 👤 Edgar C Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US90396A
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US259080A
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US2183619A
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US1131693A
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US1429897A
Cited
US1643871A
Cited
US1634985A
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US1664578A
Cited
US1956891A
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US2050003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |