US3048286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Towing mechanism
Assignee: SPRAGUE S E Z LIFT TOWBAR Inc
•
Filing: 1958-12-29
•
Granted: 1962-08-07
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Wesley C Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:01
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/12; B60P3/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2125479A
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US2471636A
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US2497379A
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US2555663A
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US2661106A
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US2701069A
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US2726097A
Cited
US2830827A
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US2795435A
Cited
US2913131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |