US2762398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire duct
Assignee: Frank Adam Electric Co
•
Filing: 1952-01-24
•
Granted: 1956-09-11
•
Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Adam Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/04; H02G3/0406; H02G3/0418; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/301; Y10T24/302
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1277550A
Cited
US800055A
Cited
US1189208A
Cited
US1201420A
Cited
GB483589A
Cited
US2356309A
Cited
US2463057A
Cited
US2485090A
Cited
US2564362A
Cited
US2595487A
Cited
US2559639A
Cited
US2523969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |