US2591544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking truck
Assignee: Individual
•
Filing: 1949-12-22
•
Granted: 1952-04-01
•
Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 John J Hegarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/122; B66F9/08; B66F9/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815416A
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US1900569A
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US1903431A
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US1953056A
Cited
US2127938A
Cited
US2324817A
Cited
US2366378A
Cited
US2437806A
Cited
US2574045A
Cited
US2496079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |