US2597122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air spring dual wheel running gear
Assignee: Mechanical Handling Systems Inc
•
Filing: 1946-08-07
•
Granted: 1952-05-20
•
Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 Mullen Edward
- 👤 Leo H Garman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:22
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/26; B60G11/27; B60G2200/00; B60G2200/10; B60G2200/13; B60G2200/132; B60G2200/40; B60G2200/46; B60G2202/00; B60G2202/10; B60G2202/15; B60G2202/152; B60G2204/00; B60G2204/10; B60G2204/14; B60G2204/143; B60G2204/40; B60G2204/45; B60G2206/00; B60G2206/01; B60G2206/012; B60G2206/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1824096A
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US2172177A
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US2395640A
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US2442354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |