US3078501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closer
Assignee: Wright Products Inc
•
Filing: 1959-01-08
•
Granted: 1963-02-26
•
Expires: 1979-01-08
Abstract
No abstract record available.
Inventors
- 👤 Walther M A Thorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/02; E05Y; 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)
US209163A
Cited
US511299A
Cited
CA562892A
Cited
US628916A
Cited
US712392A
Cited
US759621A
Cited
US1224874A
Cited
GB495651A
Cited
US2396544A
Cited
US2448266A
Cited
US2479398A
Cited
FR1127557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |