Patent US3276530A successfully refreshed from Google Patents.
US3276530A
Expired / Lapsed
US
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Load platform supported on air cushion
Assignee: Fruehauf Corp
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Filing: 1965-04-23
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Granted: 1966-10-04
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Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Harold J Borneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:32
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025; B65; B65G; B65G7/00; B65G7/02; B65G7/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124209A
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US2918183A
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GB924834A
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US3209929A
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US3052483A
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US3096728A
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US3121401A
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FR1348086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |