US3224528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead maintenance apparatus
Assignee: Individual
•
Filing: 1963-10-31
•
Granted: 1965-12-21
•
Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 John S Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:04
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04; B66F11/044; B66F11/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
OVERHEAD MAINTENANCE APPARATUS COMPRISING: A MOBILE BASE; AND EXTENSIBLE VERTICAL TELESCOPING MAST MOUNTED ON SAID BASE; MEANS FOR ACTUATING SAID MAST UPWARD AND DOWNWARD; POWER MEANS MOUNTED ON SAID BASE AND DISPOSED TO ONE SIDE OF SAID MAST FOR SUPPLYING ENERGY TO SAID APPARATUS; AN OFFSET ARM HAVING ONE END CONNECTED TO THE UPPER END OF SAID MAST; A SECOND ARM HAVING ONE END PIVOTALLY CONNECTED TO THE OTHER END OF SAID OFFSET ARM; A PLATFORM PIVOTALLY CONNECTED TO THE OTHER OF THE SAID SECOND ARM; MEANS FOR ACTUATING SAID SECOND ARM AND PLATFORM IN A VERTICAL PLANE RELATIVE THE DIRECTION OF MOVEMENT OF SAID BASE, SAID SECOND ARM AND PLATFORM BEING MOVABLE TO A POSITION ALONGSIDE THE MAST WHER THE PLATFORM IS IN A RETRACTED POSITION ADJACENT TO AND OVERLYING A PORTION OF SAID BASE; MEANS FOR MAINTAINING SAID PLATFORM IN A HORIZONTAL POSITION PARALLEL TO THE HORIZONTAL PLANE OF THE BASE IN ALL DEGREES OF ROTATION OF SAID PLATFORM.
Claim 2
Dependent Claim
161 words
OVERHEAD MAINTENANCE APPARATUS COMPRISING: A MOBILE BASE; AND EXTENSIBLE VERTICAL TELESCOPING MAST MOUNTED ON SAID BASE; MEANS FOR ACTUATING SAID MAST UPWARD AND DOWNWARD; POWER MEANS MOUNTED ON SAID BASE AND DISPOSED TO ONE SIDE OF SAID MAST FOR SUPPLYING ENERGY TO SAID APPARATUS; AN OFFSET ARM HAVING ONE END CONNECTED TO THE UPPER END OF SAID MAST; A SECOND ARM HAVING ONE END PIVOTALLY CONNECTED TO THE OTHER END OF SAID OFFSET ARM; A PLATFORM PIVOTALLY CONNECTED TO THE OTHER OF THE SAID SECOND ARM; MEANS FOR ACTUATING SAID SECOND ARM AND PLATFORM IN A VERTICAL PLANE RELATIVE THE DIRECTION OF MOVEMENT OF SAID BASE, SAID SECOND ARM AND PLATFORM BEING MOVABLE TO A POSITION ALONGSIDE THE MAST WHER THE PLATFORM IS IN A RETRACTED POSITION ADJACENT TO AND OVERLYING A PORTION OF SAID BASE; MEANS FOR MAINTAINING SAID PLATFORM IN A HORIZONTAL POSITION PARALLEL TO THE HORIZONTAL PLANE OF THE BASE IN ALL DEGREES OF ROTATION OF SAID PLATFORM.
References Cited (Backward Citations)
US2500815A
Cited
US2616768A
Cited
US3031027A
Cited
US2965191A
Cited
US2989140A
Cited
US2798623A
Cited
US2998861A
Cited
US3095945A
Cited
US3132718A
Cited
US3043395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |