US2987909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking cover assembly for electrical wall outlet boxes
Assignee: Individual
•
Filing: 1958-11-25
•
Granted: 1961-06-13
•
Expires: 1978-11-25
Abstract
No abstract record available.
Inventors
- 👤 William I Shlank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:28
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/14; E; E05; E05B; E05B65/00; E05B65/006; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5584
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1187534A
Cited
US1190643A
Cited
US1713101A
Cited
US2297862A
Cited
US2399016A
Cited
US2493366A
Cited
US2594407A
Cited
US2603546A
Cited
US2643787A
Cited
US2751105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |