Patent US4698798A successfully refreshed from Google Patents.
Patent DE374875C successfully refreshed from Google Patents.
Patent US2017006A successfully refreshed from Google Patents.
US2017006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse actuated switch
Assignee: Individual
•
Filing: 1934-07-05
•
Granted: 1935-10-08
•
Expires: 1954-07-05
Abstract
No abstract record available.
Inventors
- 👤 Liberson Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:24
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/54; A61B6/541; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02233; H; H05; H05G; H05G1/00; H05G1/08; H05G1/62; Y; Y10; Y10S; Y10S200/00; Y10S200/29
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) | 1938-10-07 | 1939-04-08 | 1939-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-10-07 | 1943-04-08 | 1943-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-10-07 | 1947-04-08 | 1947-10-08 | $7700.00 | Window Closed / Lapsed |