US2521371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dipper for grooved drier drums
Assignee: Beloit Iron Works Inc
•
Filing: 1946-05-08
•
Granted: 1950-09-05
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Hornbostel Lloyd
- 👤 John E Goodwillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:16
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1108077A
Cited
US1248589A
Cited
US1483343A
Cited
US1670113A
Cited
US1837562A
Cited
US1919416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |