US3032353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic tow bar for boat trailers
Assignee: Individual
•
Filing: 1959-01-05
•
Granted: 1962-05-01
•
Expires: 1979-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert K Williams
- 👤 Blair James Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:09
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60P3/1083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2361951A
Cited
US2451698A
Cited
US2665902A
Cited
US2591312A
Cited
US2765942A
Cited
US2810589A
Cited
US2799416A
Cited
US2856087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |