US3087178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable loading dock
Assignee: Individual
•
Filing: 1959-07-16
•
Granted: 1963-04-30
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Loomis Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:11
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2858; B61; B61J; B61J1/00; B61J1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN ADJUSTABLE LOADING DOCK CONSTRUCTION COMPRISING A GENERALLY PLANAR RAMP MEMBER PIVOTALLY MOUNTED AT ITS REAR END FOR SWINGING MOVEMENT BETWEEN RAISED AND LOWERED POSITIONS; LEVER MEANS SUBSTANTIALLY PARALLEL TO SAID RAMP MEMBER AND CONNECTED AT ONE OF ITS ENDS TO SAID RAMP MEMBER BENEATH THE LATTER FOR SWINGING MOVEMENT THEREWITH, THE OTHER END OF SAID LEVER MEANS EXTENDING REARWARDLY OF SAID RAMP MEMBER BEYOND THE PIVOTAL MOUNTING OF THE LATTER; A COUNTERWEIGHT FOR EXERTING A MOMENT OF FORCE ON SAID RAMP MEMBER IN EITHER OF SAID POSITIONS OF THE LATTER; AND COUNTERWEIGHT MOUNTING MEANS AT THE OTHER END OF SAID LEVER MEANS, SAID MOUNTING MEANS COMPRISING A SLIDE MEMBER DISPOSED AT AN UPWARD AND REARWARD INCLINATION TO SAID LEVER MEANS WHEN
Claim 2
Dependent Claim
122 words
AN ADJUSTABLE LOADING DOCK CONSTRUCTION COMPRISING A GENERALLY PLANAR RAMP MEMBER PIVOTALLY MOUNTED AT ITS REAR END FOR SWINGING MOVEMENT BETWEEN RAISED AND LOWERED POSITIONS; LEVER MEANS SUBSTANTIALLY PARALLEL TO SAID RAMP MEMBER AND CONNECTED AT ONE OF ITS ENDS TO SAID RAMP MEMBER BENEATH THE LATTER FOR SWINGING MOVEMENT THEREWITH, THE OTHER END OF SAID LEVER MEANS EXTENDING REARWARDLY OF SAID RAMP MEMBER BEYOND THE PIVOTAL MOUNTING OF THE LATTER; A COUNTERWEIGHT FOR EXERTING A MOMENT OF FORCE ON SAID RAMP MEMBER IN EITHER OF SAID POSITIONS OF THE LATTER; AND COUNTERWEIGHT MOUNTING MEANS AT THE OTHER END OF SAID LEVER MEANS, SAID MOUNTING MEANS COMPRISING A SLIDE MEMBER DISPOSED AT AN UPWARD AND REARWARD INCLINATION TO SAID LEVER MEANS WHEN
References Cited (Backward Citations)
US628850A
Cited
US1024059A
Cited
US1160506A
Cited
US1120505A
Cited
US1405433A
Cited
US2560064A
Cited
US2650847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |