Patent US3227855A successfully refreshed from Google Patents.
US3227855A
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Methods and apparatus for electrically piercing microscopic holes in dielectric materials
Assignee: Soloptics Inc
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Filing: 1962-11-19
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Granted: 1966-01-04
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Expires: 1982-11-19
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 19:42
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
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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 |