US2128483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casement window operator
Assignee: H B IVES CO
•
Filing: 1935-08-01
•
Granted: 1938-08-30
•
Expires: 1955-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hobart J Hendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:05
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; E; E05; E05F; E05F11/00; E05F11/02; E05F11/08; E05F11/12; E05F11/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18792
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-08-29 | 1942-02-28 | 1942-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-29 | 1946-02-28 | 1946-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-29 | 1950-02-28 | 1950-08-30 | $7700.00 | Window Closed / Lapsed |