US3430390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting machines and tools for composite materials
Assignee: Whittaker Corp
•
Filing: 1965-12-17
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Granted: 1969-03-04
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Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wolcott
- 👤 Frank J Filippi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/46; E21B10/48; B; B23; B23D; B23D61/00; B23D61/18; B23D61/185; B24; B24B; B24B27/00; B24B27/06; B24D; B24D5/00; B24D5/12; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US379835A
Cited
US1982710A
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US2446817A
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US2562587A
Cited
US2793478A
Cited
US3106319A
Cited
US2994314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |