US2839009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pusher assembly
Assignee: Link Belt Co
•
Filing: 1956-04-25
•
Granted: 1958-06-17
•
Expires: 1976-04-25
Abstract
No abstract record available.
Inventors
- 👤 Paul M Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:46
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04; B61B10/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US300087A
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US399964A
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DE86121C
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US1768486A
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DE86122C
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US1857894A
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US1740014A
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US1859486A
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US2101353A
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US2132455A
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US2621610A
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US2619370A
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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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |