US2832590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window operators
Assignee: H B IVES CO
•
Filing: 1955-11-09
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Granted: 1958-04-29
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Expires: 1975-11-09
Abstract
No abstract record available.
Inventors
- 👤 Walter K Youngberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/18; F16G13/20; E; E05; E05F; E05F11/00; E05F11/02; E05F11/04; E05F11/06; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/656; E05Y2201/71; E05Y2201/722; E05Y2201/724; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |