US3302927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable automobile lift having transversely adjustable bumper-engaging means and separate frame-engaging means
Assignee: Gray Manufacturing Co Inc
•
Filing: 1965-05-14
•
Granted: 1967-02-07
•
Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 James J Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:00
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/02; B66F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PNEUMATIC LIFT HAVING; A BASE AND A VERTICAL COLUMN AFFIXED THERETO, A POWER CYLINDER SLIDABLY MOUNTED ON SAID COLUMN, AND A CROSS FRAME RIGIDLY AFFIXED TO AND MOVABLE WITH SAID POWER CYLINDER, THE IMPROVEMENT COMPRISING; AN EXTENDIBLE CROSS FRAME, BUMPER ENGAGING SADDLE ASSEMBLIES MOUNTED ON SAID CROSS FRAME, AND SEPARATE REMOVABLE FRAME ENGAGING YOKES SWIVELLY MOUNTED ON SAID SADDLE ASSEMBLIES.
Claim 2
Dependent Claim
62 words
IN A PNEUMATIC LIFT HAVING; A BASE AND A VERTICAL COLUMN AFFIXED THERETO, A POWER CYLINDER SLIDABLY MOUNTED ON SAID COLUMN, AND A CROSS FRAME RIGIDLY AFFIXED TO AND MOVABLE WITH SAID POWER CYLINDER, THE IMPROVEMENT COMPRISING; AN EXTENDIBLE CROSS FRAME, BUMPER ENGAGING SADDLE ASSEMBLIES MOUNTED ON SAID CROSS FRAME, AND SEPARATE REMOVABLE FRAME ENGAGING YOKES SWIVELLY MOUNTED ON SAID SADDLE ASSEMBLIES.
References Cited (Backward Citations)
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Cited
US2867409A
Cited
US2974490A
Cited
US3091431A
Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |