Patent US3041055A successfully refreshed from Google Patents.
US3041055A
Expired / Lapsed
US
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Rotatable cutter head
Assignee: Goodman Manufacturing Co LP
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Filing: 1959-07-13
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Granted: 1962-06-26
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Expires: 1979-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Risse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:06
CPC Classifications
E; E21; E21C; E21C27/00; E21C27/20; E21C27/22; E21B; E21B10/00; E21B10/08; E21B10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708288A
Cited
US2550202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |