US1485578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window-closing device
Assignee: Sears Roebuck and Co
•
Filing: 1921-05-02
•
Granted: 1924-03-04
•
Expires: 1941-05-02
Abstract
No abstract record available.
Inventors
- 👤 Lee E Wolgemuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:49
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/002; E05F1/008; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/114; Y10T74/116; Y10T74/118
Claims Analysis
Total Claims: 0
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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) | 1927-03-04 | 1927-09-03 | 1928-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-04 | 1931-09-03 | 1932-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-04 | 1935-09-03 | 1936-03-04 | $7700.00 | Window Closed / Lapsed |