Patent US3428372A successfully refreshed from Google Patents.
US3428372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular housing and support
Assignee: Old Carco LLC
•
Filing: 1966-11-28
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Granted: 1969-02-18
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Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 Robert P Keller
- 👤 Eugene J Ash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:30
CPC Classifications
F; F16; F16C; F16C27/00; B; B60; B60G; B60G11/00; B60G11/02; B60G11/10; B60G11/113; F16C35/00; F16C35/04; F16C35/042; F16C35/047; F16F; F16F15/00; F16F15/02; F16F15/04; F16F15/08; F16C2326/00; F16C2326/01; F16C2326/05; F16F2230/00; F16F2230/0047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US449046A
Cited
US2735663A
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US820883A
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US1537368A
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US1837939A
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US2447852A
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US2710235A
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US3003831A
Cited
US3253084A
Cited
US3270994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |