Patent US1922814A successfully refreshed from Google Patents.
US1922814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor clip and the method of making same
Assignee: MacLean Fogg Lock Nut Co
•
Filing: 1931-02-09
•
Granted: 1933-08-15
•
Expires: 1951-02-09
Abstract
No abstract record available.
Inventors
- 👤 John A Maclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:18
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/36; B21G; B21G3/00; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/979; Y10S411/98; Y10S411/982; Y10S411/983; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49995; Y10T29/49996; Y10T403/00; Y10T403/49; Y10T403/4941; Y10T403/4974; Y10T403/71; Y10T403/7117
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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |