Patent US1566575A successfully refreshed from Google Patents.
US1566575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A coepob
Assignee: —
•
Filing: —
•
Granted: 1925-12-22
•
Expires: 1942-12-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:34
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8486
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) | 1928-12-21 | 1929-06-22 | 1929-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-21 | 1933-06-22 | 1933-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-21 | 1937-06-22 | 1937-12-22 | $7700.00 | Window Closed / Lapsed |