US3236533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum chuck assembly
Assignee: General Dynamics Corp
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Filing: 1964-09-24
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Granted: 1966-02-22
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Expires: 1984-09-24
Abstract
No abstract record available.
Inventors
- 👤 John J Mullion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:01
CPC Classifications
B; B25; B25B; B25B11/00; B25B11/005; Y; Y10; Y10T; Y10T279/00; Y10T279/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A DEVICE FOR HOLDING OBJECTS COMPRISING A BASE MEMBER, SAID BASE MEMBER DEFINING A VACUUM CHAMBER, AN APERTURE IN SAID BASE MEMBER ADAPTED TO INTERCONNECT SAID VACUUM CHAMBER WITH A VACUUM SOURCE, REMOVABLE PLATE MEANS OPERATIVELY CONNECTED WITH SAID BASE MEMBER, MEANS INCLUDING MEANS ADAPTED FOR SUPPORTING AN OBJECT TO BE HELD OPERATIVELY CONNECT TO SAID PLATE MEANS, EACH OF SAID MEANS BEING PROVIDED WITH AT LEAST ONE APERTURE FOR PROVIDING A VACUUM INTERCONNECTION BETWEEN EACH OF SAID LAST MENTIONED MEANS AND SAID VACUUM CHAMBER.
Claim 2
Independent Claim
85 words
A DEVICE FOR HOLDING OBJECTS COMPRISING A BASE MEMBER, SAID BASE MEMBER DEFINING A VACUUM CHAMBER, AN APERTURE IN SAID BASE MEMBER ADAPTED TO INTERCONNECT SAID VACUUM CHAMBER WITH A VACUUM SOURCE, REMOVABLE PLATE MEANS OPERATIVELY CONNECTED WITH SAID BASE MEMBER, MEANS INCLUDING MEANS ADAPTED FOR SUPPORTING AN OBJECT TO BE HELD OPERATIVELY CONNECT TO SAID PLATE MEANS, EACH OF SAID MEANS BEING PROVIDED WITH AT LEAST ONE APERTURE FOR PROVIDING A VACUUM INTERCONNECTION BETWEEN EACH OF SAID LAST MENTIONED MEANS AND SAID VACUUM CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |