US2981429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper roll handling truck
Assignee: Doosan Bobcat North America Inc
•
Filing: 1959-03-26
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Granted: 1961-04-25
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 William A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B62B2202/00; B62B2202/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US878751A
Cited
US1243200A
Cited
US1276799A
Cited
US1900569A
Cited
US2714969A
Cited
US2829789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |