Patent US3047244A successfully refreshed from Google Patents.
US3047244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed spouts for wood chippers
Assignee: Individual
•
Filing: 1960-06-20
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Granted: 1962-07-31
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Hansel Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:33
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/22; B02C18/2225; B02C18/2291
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |