US2863214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire cutter
Assignee: DTE Energy Co
•
Filing: 1956-06-11
•
Granted: 1958-12-09
•
Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Szappanyos Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:55
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US687253A
Cited
US1348708A
Cited
US1626456A
Cited
US2075341A
Cited
US2388560A
Cited
US2385733A
Cited
US2612140A
Cited
US2498596A
Cited
US2631369A
Cited
US2543109A
Cited
US2751940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |