Patent US4861962B1 successfully refreshed from Google Patents.
US4861962B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle shield for a plasma arc torch
Assignee: Hypertherm Inc
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Filing: 1988-06-07
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Granted: 1996-07-16
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Expires: 2008-06-07
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Sanders
- 👤 Richard W Couch Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:06
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/341; B; B23; B23K; B23K10/00; B23K10/006; H05H1/3421; H05H1/3457; H05H1/3468; H05H1/3478; H05H1/28; H05H1/30; H05H1/3442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-07-16 | 2000-01-15 | 2000-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-16 | 2004-01-15 | 2004-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-16 | 2008-01-15 | 2008-07-16 | $7700.00 | Window Closed / Lapsed |