US2802923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient contacts for use in weakcurrent apparatus
Assignee: US Philips Corp
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Filing: 1955-03-29
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Granted: 1957-08-13
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Weijer Berend
- 👤 Draijer Jannes
- 👤 Ball Leslie Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:09
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
A RESILIENT CONTACT OF THE CLASS DESCRIBED COMPRISING AT LEAST TWO PARTS, ONE PART CONSTITUTED OF STAINLESS STEEL COATED WTIH NICKEL AND THE OTHER PART CONSTITUTED OF NICKEL THE NICKEL BEING THE CONTACT METAL.
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |