US2827189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck attachment for handling drums
Assignee: ROBERT N SERGEANT
•
Filing: 1955-10-27
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Granted: 1958-03-18
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Expires: 1975-10-27
Abstract
No abstract record available.
Inventors
- 👤 Martin C Knudstrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:13
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2431589A
Cited
FR977185A
Cited
US2584918A
Cited
US2582663A
Cited
US2582759A
Cited
US2704167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |