US2549631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutter for grooving laminated plywood
Assignee: Individual
•
Filing: 1945-12-12
•
Granted: 1951-04-17
•
Expires: 1965-12-12
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Norquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:25
CPC Classifications
B; B27; B27G; B27G5/00; B27G13/00; B27G13/12; B27G13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US188771A
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US393260A
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US644514A
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US681459A
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US987479A
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US1669667A
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US1831303A
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US1830813A
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US1912666A
Cited
US1881734A
Cited
US1974215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |