US3522658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical outlet box locater
Assignee: JOHN F HOWELL
•
Filing: 1968-05-22
•
Granted: 1970-08-04
•
Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 John F Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:53
CPC Classifications
B; B25; B25H; B25H7/00; H; H02; H02G; H02G1/00; Y; Y10; Y10S; Y10S33/00; Y10S33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415145A
Cited
US2431100A
Cited
US2962281A
Cited
US2898688A
Cited
US2990172A
Cited
US3110506A
Cited
US3203104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |