US3090502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling stacks of bricks
Assignee: Individual
•
Filing: 1958-09-18
•
Granted: 1963-05-21
•
Expires: 1978-09-18
Abstract
No abstract record available.
Inventors
- 👤 Rudolf N Gunzelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:04
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/442; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A CONVEYING DEVICE COMPRISING A FRAME, A PLURALITY OF PAIRS OF GRIPPERS EXTENDING DOWNWARDLY FROM THE FRAME, LIFTING MEANS FOR RAISING AND LOWERING THE FRAME, DRIVE MEANS FOR OPERATING THE LIFTING MEANS AT A PLURALITY OF SPEEDS, MEANS RESPONSIVE TO THE RAISING OF THE FRAME CAUSING THE PAIRS OF GRIPPERS TO GRASP OBJECTS BETWEEN THEM, FEELERS DISPOSED BELOW THE GRIPPERS AND SEPARATED VERTICALLY A DISTANCE EQUAL TO TO THE HEIGHT OF THE OBJECT TO BE GRASPED BY THE GRIPPERS, AND MEANS RESPONSIVE TO THE UPPER OF THE FEELERS ENGAGING THE TOP OF THE OBJECT OR THE LOWER FEELER TOUCHING THE SUPPORT OF THE OBJECT FOR CAUSING THE DRIVE MEANS TO OPERATE THE LIFTING MEANS AT A REDUCED SPEED.
Claim 2
Dependent Claim
118 words
A CONVEYING DEVICE COMPRISING A FRAME, A PLURALITY OF PAIRS OF GRIPPERS EXTENDING DOWNWARDLY FROM THE FRAME, LIFTING MEANS FOR RAISING AND LOWERING THE FRAME, DRIVE MEANS FOR OPERATING THE LIFTING MEANS AT A PLURALITY OF SPEEDS, MEANS RESPONSIVE TO THE RAISING OF THE FRAME CAUSING THE PAIRS OF GRIPPERS TO GRASP OBJECTS BETWEEN THEM, FEELERS DISPOSED BELOW THE GRIPPERS AND SEPARATED VERTICALLY A DISTANCE EQUAL TO TO THE HEIGHT OF THE OBJECT TO BE GRASPED BY THE GRIPPERS, AND MEANS RESPONSIVE TO THE UPPER OF THE FEELERS ENGAGING THE TOP OF THE OBJECT OR THE LOWER FEELER TOUCHING THE SUPPORT OF THE OBJECT FOR CAUSING THE DRIVE MEANS TO OPERATE THE LIFTING MEANS AT A REDUCED SPEED.
References Cited (Backward Citations)
US1439245A
Cited
US1510717A
Cited
US1860143A
Cited
US1974891A
Cited
US2382194A
Cited
US2388408A
Cited
US2364897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |