← Back to Patent Explorer
US3242006A Expired / Lapsed US ⏱️ 0.0 years remaining

Tantalum nitride film resistor

Assignee: AT&T Inc
•
Filing: 1961-10-03
•
Granted: 1966-03-22
•
Expires: 1981-10-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Gerstenberg Dieter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:47
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/075; H01C17/12; C; C23; C23C; C23C14/00; C23C14/0021; C23C14/0036; H01B; H01B1/00; H01C7/00; H01C7/006; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A STABLE METAL FILM RESISTOR INCLUDING SUCCESSIVELY A NON CONDUCTING SUBSTRATE AND A THIN FILM CONSISTING ESSENTIALLY OF TANTALUM NITRIDE.
Claim 2
Dependent Claim 20 words
A STABLE METAL FILM RESISTOR INCLUDING SUCCESSIVELY A NON CONDUCTING SUBSTRATE AND A THIN FILM CONSISTING ESSENTIALLY OF TANTALUM NITRIDE.

References Cited (Backward Citations)

US420881A Cited
US896341A Cited
US1123585A Cited
AT86825B Cited
US2003592A Cited
US2836514A Cited
US2886502A Cited
US2917442A Cited
US3063858A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-21 1969-09-20 1970-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-21 1973-09-20 1974-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-21 1977-09-20 1978-03-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag