Patent US2695938A successfully refreshed from Google Patents.
US2695938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switch
Assignee: Northrop Grumman Corp
•
Filing: 1951-06-25
•
Granted: 1954-11-30
•
Expires: 1971-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert D Hancock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:04
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189822717A
Cited
US1037732A
Cited
US1614621A
Cited
US1504997A
Cited
US2163709A
Cited
US2150053A
Cited
US2332947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |