US2666508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window sash frame structure
Assignee: ANGELO F NAPLES
•
Filing: 1949-08-10
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Granted: 1954-01-19
•
Expires: 1969-08-10
Abstract
No abstract record available.
Inventors
- 👤 Michael J Nardulli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/96; E06B3/964; E06B3/968; E06B3/9687; E06B3/9688; F; F16; F16B; F16B2200/00; F16B2200/65; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/555
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US916832A
Cited
US1260938A
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US1704314A
Cited
US1595999A
Cited
US2081722A
Cited
US2654451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |