US2770301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back gauge-planetary gear-brake disconnect for hydraulic drive
Assignee: E P LAWSON Co Inc
•
Filing: 1951-06-20
•
Granted: 1956-11-13
•
Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Seybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:10
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/01; B26D7/015; B26D7/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1264715A
Cited
US2085981A
Cited
US2159980A
Cited
GB475256A
Cited
US2176512A
Cited
US2213068A
Cited
US2263453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |