US3422246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser cutting machine tool
Assignee: Kearney and Trecker Corp
•
Filing: 1965-08-18
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Granted: 1969-01-14
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Wetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:39
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/08; B23K26/083; B23K26/0853; B23K26/02; B23K26/06; B23K26/062; B23K26/0626; B23K26/064; B23K26/0648; B23K26/066; B23K26/0665; B23K26/12; B23K26/123; B23K26/36; B23K26/362; B23K26/364; B23K26/70; B23K26/702; B23K26/703
Claims Analysis
Total Claims: 0
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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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |