US2927807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical box connector
Assignee: Individual
•
Filing: 1957-09-23
•
Granted: 1960-03-08
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Donald E Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
F; F16; F16L; F16L5/00; H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/0625; H02G3/065; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US967404A
Cited
US1131399A
Cited
US1215595A
Cited
US1257852A
Cited
US1659268A
Cited
FR844177A
Cited
US2246557A
Cited
US2308641A
Cited
US2454767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |