US3195941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum gripping pad
Assignee: Whiting Corp
•
Filing: 1962-08-27
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Granted: 1965-07-20
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Woodruff A Morey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/02; B66C1/0212; B66C1/0231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A VACUUM GRIPPING MEMBER COMPRISING IN COMBINATION, A GENERALLY PLANAR PAD HAVING AN OPENING IN THE BOTTOM FACE THEREOF ADAPTED TO BE PLACED IN COMMUNICATION WITH MEAENS FOR PRODUCING A VACUUM, WHICH PAD HAS AN UPPER PORTION WITH A GENERALLY VERTICAL EDGE EXTENDING AROUND THE PERIPHERY THEREOF, AND A BOTTOM PORTION OF REDUCED CROSS-SECTION THEREBY FORMING A DOWNWARDLY FACING SHOULDER EXTENDING AROUND THE PERIPHERY OF THE PAD, A FLEXIBLE SEALING RING SECURED TO THE PERIPHERY OF SAID PAD AND COMPRISING, A GENERALLY VERTICALLY EXTENDING BODY PORTION HAVING THE INNER SIDE THEREOF ENGAGEABLE WITH SAID EDGE OF SAID PAD, SAID BODY PORTION HAVING INNER AND OUTER, SPACED-APART, WORK ENGAGING LIPS DEPENDING THEREFROM, SAID INNER LIP BEING INWARDLY OFFSET FROM SAID EDGE AND RECEIVED UNDER SAID SHOULDER IN A SNUG ENGAGEMENT THEREWITH AND EXTENDING DOWNWARDLY BEYOND ITS BOTTOM FACE OF SAID PAD, SAID OUTER LIP EXTENDING DOWNWARDLY BEYOND THE WORK ENGAGING SURFACE OF SAID INNER LIP.
Claim 2
Dependent Claim
154 words
A VACUUM GRIPPING MEMBER COMPRISING IN COMBINATION, A GENERALLY PLANAR PAD HAVING AN OPENING IN THE BOTTOM FACE THEREOF ADAPTED TO BE PLACED IN COMMUNICATION WITH MEAENS FOR PRODUCING A VACUUM, WHICH PAD HAS AN UPPER PORTION WITH A GENERALLY VERTICAL EDGE EXTENDING AROUND THE PERIPHERY THEREOF, AND A BOTTOM PORTION OF REDUCED CROSS-SECTION THEREBY FORMING A DOWNWARDLY FACING SHOULDER EXTENDING AROUND THE PERIPHERY OF THE PAD, A FLEXIBLE SEALING RING SECURED TO THE PERIPHERY OF SAID PAD AND COMPRISING, A GENERALLY VERTICALLY EXTENDING BODY PORTION HAVING THE INNER SIDE THEREOF ENGAGEABLE WITH SAID EDGE OF SAID PAD, SAID BODY PORTION HAVING INNER AND OUTER, SPACED-APART, WORK ENGAGING LIPS DEPENDING THEREFROM, SAID INNER LIP BEING INWARDLY OFFSET FROM SAID EDGE AND RECEIVED UNDER SAID SHOULDER IN A SNUG ENGAGEMENT THEREWITH AND EXTENDING DOWNWARDLY BEYOND ITS BOTTOM FACE OF SAID PAD, SAID OUTER LIP EXTENDING DOWNWARDLY BEYOND THE WORK ENGAGING SURFACE OF SAID INNER LIP.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |