US3066348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closer
Assignee: Individual
•
Filing: 1960-03-18
•
Granted: 1962-12-04
•
Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Franciscus J J Trapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:27
CPC Classifications
E; E05; E05F; E05F5/00; E05F5/02; E05F5/027; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32606; Y10T403/32861; Y10T403/32893; Y10T403/32909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US365413A
Cited
US1699189A
Cited
US825329A
Cited
US1475015A
Cited
US1712122A
Cited
US2184879A
Cited
US2502605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |