US2473461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic barking machine
Assignee: Individual
•
Filing: 1945-05-19
•
Granted: 1949-06-14
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Frank O White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:03
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1090463A
Cited
US1087959A
Cited
US1969914A
Cited
US2338136A
Cited
US2328545A
Cited
US2342533A
Cited
US2393978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |