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US3227855A Expired / Lapsed US ⏱️ 0.0 years remaining

Methods and apparatus for electrically piercing microscopic holes in dielectric materials

Assignee: Soloptics Inc
•
Filing: 1962-11-19
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Granted: 1966-01-04
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Expires: 1982-11-19
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Abstract

No abstract record available.

Inventors

  • 👤 Sr Otto E Meyer
  • 👤 Donald R Meyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 03:02
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; B28; B28D; B28D1/00; B28D1/14; B28D1/143; B29; B29D; B29D11/00; B29D11/00009; B29D11/00038; B29D11/00076; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0414

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 56 words
APPARATUS FOR PIERCING A WORKPIECE OF RELATIVELY THIN CROSS-SECTION, WHICH COMPRISES A WORK-HOLDER FOR POSITIONING SAID WORKPIECE, A PAIR OF OPPOSED ELECTRODES MOUNTED RELATIVE TO SAID WORK-HOLDER FOR ENGAGEMENY WITH OPPOSITE FACES OF A WORK-PIECE SUPPORTED THEREON, MEANS FOR URGING SAID ELECTRODES INTO ENGAGEMENT WITH SAID WORKPIECE WITH A PREDETERMINED FORCE, MEANS FOR FIXING SAID ELECTRODES

References Cited (Backward Citations)

US1250140A Cited
US1493014A Cited
US2011645A Cited
US2113714A Cited
US2365576A Cited
US2354871A Cited
GB637793A Cited
US2628412A Cited
DE952937C Cited
US3057075A Cited
US3009561A Cited
US3020377A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-03 1969-07-05 1970-01-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-03 1973-07-05 1974-01-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-03 1977-07-05 1978-01-04 $7700.00 Window Closed / Lapsed

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