Patent US3173558A successfully refreshed from Google Patents.
US3173558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat trailer and launcher
Assignee: Individual
•
Filing: 1963-03-22
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Granted: 1965-03-16
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Futch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:16
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; B60P3/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN COMBINATION, A BOAT TRAILER AND A LAUNCHING UNIT SAID TRAILER COMPRISING A FRAME HAVING A FIXED CRADLE FOR THE HULL OF A BOAT, SAID UNIT COMPRISING A PAIR OF BRACKET, A PAIR OF LEVERS JOURNALLED MEDIALLY TO THEIR LENGTHS ON THE RESPECTIVE BRACKETS ON AN ALIGNED AXIS, SAID BRACKETS HAVING ARCUATE SLOTS CONCENTRIC WITH SAID AXIS, A RECTANGULAR FRAMEWORK CARRYING A PLURALITY OF PARALLEL SHAFTS, EACH SHAFT CARRYING A BOAT-SUPPORTING ROLLER WITHIN SAID FRAMEWORK, THE OPPOSITE ENDS OF ONE OF SAID SHAFTS EXTENDING THROUGH RELATED ONES OF SAID SLOTS, AND ENGAGED BY THE REARWARD ENDS OF SAID LEVERS, AND MEANS TO SWING SAID LEVERS, SAID MEANS COMPRISING A PULLEY CARRIED BY THE REARWARD END OF EACH OF SAID LEVERS, A PAIR OF PULLEYS CARRIED BY SAID FRAME, IN CO-
Claim 2
Dependent Claim
130 words
IN COMBINATION, A BOAT TRAILER AND A LAUNCHING UNIT SAID TRAILER COMPRISING A FRAME HAVING A FIXED CRADLE FOR THE HULL OF A BOAT, SAID UNIT COMPRISING A PAIR OF BRACKET, A PAIR OF LEVERS JOURNALLED MEDIALLY TO THEIR LENGTHS ON THE RESPECTIVE BRACKETS ON AN ALIGNED AXIS, SAID BRACKETS HAVING ARCUATE SLOTS CONCENTRIC WITH SAID AXIS, A RECTANGULAR FRAMEWORK CARRYING A PLURALITY OF PARALLEL SHAFTS, EACH SHAFT CARRYING A BOAT-SUPPORTING ROLLER WITHIN SAID FRAMEWORK, THE OPPOSITE ENDS OF ONE OF SAID SHAFTS EXTENDING THROUGH RELATED ONES OF SAID SLOTS, AND ENGAGED BY THE REARWARD ENDS OF SAID LEVERS, AND MEANS TO SWING SAID LEVERS, SAID MEANS COMPRISING A PULLEY CARRIED BY THE REARWARD END OF EACH OF SAID LEVERS, A PAIR OF PULLEYS CARRIED BY SAID FRAME, IN CO-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |