Patent US4070325A successfully refreshed from Google Patents.
Patent US1986965A successfully refreshed from Google Patents.
US1986965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiring duct and fittings
Assignee: Bulldog Electric Products Co
•
Filing: 1929-09-26
•
Granted: 1935-01-08
•
Expires: 1949-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harrison J L Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:57
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0608; H02G3/04; H02G3/0437; H02G3/0406; H02G3/0418
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-01-07 | 1938-07-09 | 1939-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-07 | 1942-07-09 | 1943-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-07 | 1946-07-09 | 1947-01-08 | $7700.00 | Window Closed / Lapsed |