US2691999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible traction device
Assignee: —
•
Filing: —
•
Granted: 1954-10-19
•
Expires: 1971-10-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06; B60C27/08; B60C27/02; B60C27/04; B60C27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US974825A
Cited
US1213410A
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US1295294A
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US1370293A
Cited
US1469105A
Cited
US1727652A
Cited
US1941935A
Cited
US2315838A
Cited
US2273753A
Cited
US2352788A
Cited
US2467654A
Cited
US2553712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |