US3144141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment ramp
Assignee: Fruehauf Corp
•
Filing: 1961-11-27
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Granted: 1964-08-11
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Expires: 1981-11-27
Abstract
No abstract record available.
Inventors
- 👤 Keith W Tantlinger
- 👤 Robert G Flagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:38
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6409; B60P1/6418; B60P1/6481; B62; B62D; B62D53/00; B62D53/04; B62D53/045; B62D53/08; B62D53/0857; B65; B65D; B65D90/00; B65D90/12; B65D90/18; Y; Y10; Y10S; Y10S280/00; Y10S280/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US502510A
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US557694A
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US1155713A
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US1418966A
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US2543295A
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US3004772A
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US3074575A
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US3000649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |