US3244443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic door stop
Assignee: Individual
•
Filing: 1965-05-17
•
Granted: 1966-04-05
•
Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Marion E Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/56; Y; Y10; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2288688A
Cited
GB631523A
Cited
US2519435A
Cited
GB627391A
Cited
US2761718A
Cited
US2987338A
Cited
US3025559A
Cited
US3050324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |