US3126192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum holder
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A VACUUM HOLDER COMPRISING AN ENVELOPE HAVING TWO SIDE MEMBERS, A PORTION OF ONE OF SAID MEMBERS HAVING A PLURALITY OF PYRAMIDAL PROJECTIONS ON THE INSIDE SURFACE THEREOF, SAID PROJECTIONS ENGAGING THE INSIDE SURFACE OF THE OTHER OF SAID MEMBERS, SAID PROJECTIONS FORMING INTERSECTING AIR CHANNELS THEREBETWEEN, SAID ONE MEMBER HAVING AN OUTSIDE SURFACE AGAINST WHICH A SHEET OR THE LIKE IS TO BE HELD, OPENINGS IN SAID ONE MEMBER CONNECTING SAID OUTSIDE SURFACE THEREOF WITH SAID AIR CHANNELS, SAID PORTION OF SAID ONE MEMBER BEING OF SUFFICIENT STRENGTH TO RESIST COLLAPSING OF SAID ONE MEMBER UPON CONVEYING AIR FROM BETWEEN SAID MEMBERS, AND MEANS FOR CONVEYING AIR FROM BETWEEN SAID MEMBERS, AT LEAST SAID OTHER SIDE MEMBER BEING FLEXIBLE.
References Cited (Backward Citations)
US2956769A
Cited
US3042356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |