Patent US2780989A successfully refreshed from Google Patents.
US2780989A
Expired / Lapsed
US
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Wood waste shaving and sawdust baler
Assignee: R H GUY
•
Filing: 1953-03-04
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Granted: 1957-02-12
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Expires: 1973-03-04
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:23
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/301; B30B9/3014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666293A
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US631447A
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US689269A
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US1121571A
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US1164519A
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US1201695A
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US1476532A
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US1677963A
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US1768214A
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US2491015A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |