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Patent US2990741A successfully refreshed from Google Patents.
US2990741A
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Control system for rotary cutter
Assignee: Akzo Nobel UK PLC
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Filing: 1958-10-06
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Granted: 1961-07-04
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Donald E Haase
- 👤 Iii Oliver J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:08
CPC Classifications
B; B23; B23D; B23D35/00; B23D35/005; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; B26D7/00; B26D7/26; B26D7/2628; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4844; Y10T83/869; Y10T83/8776; Y10T83/8778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2586462A
Cited
US2782853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |