Patent US2806113A successfully refreshed from Google Patents.
US2806113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric contact devices
Assignee: Siemens and Halske AG
•
Filing: 1954-11-19
•
Granted: 1957-09-10
•
Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Romer Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:35
CPC Classifications
H; H02; H02K; H02K13/00; H02K13/006; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CONTACT MEMBER FOR AN ELECTRIC CONTACT DEVICE, FORMED OF A COMPOSITION OF HIGHLY-CONDUCTIVE CONTACT MA-
Claim 2
Dependent Claim
16 words
A CONTACT MEMBER FOR AN ELECTRIC CONTACT DEVICE, FORMED OF A COMPOSITION OF HIGHLY-CONDUCTIVE CONTACT MA-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |