US1942185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closer
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1930-07-01
•
Granted: 1934-01-02
•
Expires: 1950-07-01
Abstract
No abstract record available.
Inventors
- 👤 Paul C Richter
- 👤 Robert S Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:36
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/06; E05Y; E05Y2600/00; E05Y2600/40; E05Y2600/41; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1937-01-01 | 1937-07-03 | 1938-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-01 | 1941-07-03 | 1942-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-01 | 1945-07-03 | 1946-01-02 | $7700.00 | Window Closed / Lapsed |