US2902246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping device
Assignee: Doosan Bobcat North America Inc
•
Filing: 1955-12-23
•
Granted: 1959-09-01
•
Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 Lapsley Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:39
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US917379A
Cited
US1355925A
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US2031302A
Cited
US2128005A
Cited
US2273854A
Cited
US2381633A
Cited
US2426498A
Cited
US2424429A
Cited
US2427603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |