US2956779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-scoop pulling mechanism
Assignee: JB Ehrsam and Sons Manufacturing Co
•
Filing: 1958-06-30
•
Granted: 1960-10-18
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Prichard Guy Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:58
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/02; B66D2700/00; B66D2700/02; B66D2700/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24201E
Cited
US2250985A
Cited
US2620161A
Cited
US2631818A
Cited
US2709068A
Cited
US2675991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |