Patent US3050232A successfully refreshed from Google Patents.
US3050232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door frame protector
Assignee: Individual
•
Filing: 1959-06-11
•
Granted: 1962-08-21
•
Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lionel M Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:07
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/24; E04G21/30; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US625858A
Cited
US1561471A
Cited
US1221755A
Cited
US2731191A
Cited
US2837787A
Cited
US2794761A
Cited
US2895431A
Cited
US2979252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |