Patent US2345368A successfully refreshed from Google Patents.
US2345368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closer
Assignee: Sargent Manufacturing Co
•
Filing: 1942-11-16
•
Granted: 1944-03-28
•
Expires: 1962-11-16
Abstract
No abstract record available.
Inventors
- 👤 Henry G Voight
- 👤 Brantingson Sigurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:22
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/14; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/252; E05Y2201/254; E05Y2201/262; E05Y2201/266; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S16/00; Y10S16/09
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) | 1947-03-28 | 1947-09-27 | 1948-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-28 | 1951-09-27 | 1952-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-28 | 1955-09-27 | 1956-03-28 | $7700.00 | Window Closed / Lapsed |